<?php
// No. 339

$n = trim(fgets(STDIN));
$ar = array();

$i = 0;
while ($i < $n) {
  $arg = trim(fgets(STDIN));
  array_push($ar, $arg);
  $gcd = ($i == 0) ? $arg : getGCD($gcd, $arg);
  $i++;
}

$count = 0;
foreach ($ar as $key => $value) {
  $count += ($value / $gcd);
}

echo $count.PHP_EOL;

// ---------------------- //
function getGCD($a, $b)
{
  if ($a < $b) {
    return getGCD($b, $a);
  }
  else {
    $m = $a % $b;
    return ($m == 0) ? $b : getGCD($b, $m);
  }
}