def gcd(a, b):
    if b==0:
        return a
    else:
        return gcd(b,a%b)

n = int(input())
a = list(map(int,input().split()))
d = a[0]
for i in a:
    d = gcd(i,d)
res = 0
for i in a:
    res+=i//d
print(res)