from functools import reduce

N = int(input())
A = list(map(int, input().split()))

lg = [0] * (1 << 17)
for i in range(1, 1 << 17):
  lg[i] = lg[i >> 1] + 1

def gcd(x, y):
  while y != 0:
    if x < y:
      x, y = y, x
    else:
      k = lg[x] - lg[y]
      x ^= y << k
  return x

g = reduce(gcd, A)

f = [0] * 100001
for x in A: f[x] += x

souwa = sum(A)
ans = 10**100

for i in range(1, 100001):
  s = sum(f[j] for j in range(i, 100001, i))
  if gcd(i, g) == g:
    ans = min(ans, souwa - s + s // i)

print(ans)