How to get store admin email address and name in Magento 2?

Try the below code -

<?php
namespace Custom\Module\Controller\Index;

use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Store\Model\ScopeInterface;

class Index extends \Magento\Framework\App\Action\Action
{
    protected $request;
    protected $scopeConfig;

public function __construct(
    \Magento\Framework\App\Action\Context $context,
    \Magento\Framework\App\Request\Http $request,
    ScopeConfigInterface $scopeConfig
){
    parent::__construct($context);
    $this->scopeConfig = $scopeConfig;
    $this->request = $request;
}

public function execute()
{
    $email = $this->scopeConfig->getValue('trans_email/ident_support/email',ScopeInterface::SCOPE_STORE);
    $name  = $this->scopeConfig->getValue('trans_email/ident_support/name',ScopeInterface::SCOPE_STORE);

    echo $email;echo "<br/>";
    echo $name;echo "<br/>";

    $this->_view->loadLayout();
    $this->_view->renderLayout();
}

}