from itertools import accumulate

def division(n):
    ass = []
    for i in range(1, int(n ** 0.5) + 1):
        if n % i == 0:
            ass.append(i)
            if i * i == n:
                continue
            ass.append(n // i)

    return ass

def main():
    N = int(input())
    A = list(map(int, input().split()))
    B = [0] + list(accumulate(A))
    sumA = sum(A)
    div = division(sumA)
    ans = 0
    for n in div:
        index = 0
        flag = True
        cnt = 0
        for i in range(N + 1):
            if B[i] - B[index] == n:
                index = i
                cnt += 1
            elif B[i] - B[index] < n:
                continue
            else:
                break
        if cnt * n == sumA:
            ans = max(ans, cnt)

    print(ans)



if __name__ == "__main__":
    main()