N = int(input())
A = list(map(int, input().split()))
S = sum(A)
B = set()
for i in range(1,S+1):
    if i*i>S:break
    if S%i==0:
        B.add(i)
        B.add(S//i)
B = sorted(list(B))
for d in B:
    flag = True
    i = 0
    cnt = A[0]
    while i<N:
        if cnt>d:
            flag = False
            break
        if cnt==d:
            if i==N-1:break
            cnt = A[i+1]
            i += 1
            continue
        cnt += A[i+1]
        i += 1
    if flag:
        print(S//d)
        break