# -*- coding: utf-8 -*-

N = int(input())
A = []
for i in range(N):
    A.append(int(input()))

k = 0
for i in range(A[N-1], 0, -1):
    flag = True
    for a in A:
        if a%i!=0:
            flag = False
            break
    if flag:
        k = i
        break

answer = 0
for a in A:
    answer += int(a/k)

print(answer)