import math._

object Main {
  def gcd(a: Int, b: Int): Int = {
    if (b == 0) a
    else gcd(b, a % b)
  }

  def calc(xs: Array[Int]): Int = {
    if (xs.length == 1) return 1

    val g = xs.reduceLeft((a, b) => gcd(a, b))
    xs.map(_ / g).sum
  }

  def main(args: Array[String]) {
    val sc = new java.util.Scanner(System.in)
    val n = sc.nextInt
    val xs = Array.fill(n)(sc.nextInt)

    println(calc(xs))
  }
}