import std.stdio, std.array, std.string, std.conv, std.algorithm;
import std.typecons, std.range, std.random, std.math, std.container;
import std.numeric, std.bigint, core.bitop, core.stdc.stdio;

void main() {
    auto N = readln.chomp.to!int;
    auto A = readln.split.map!(to!int).array;
    auto S = A.sum;

    int[] P;
    for (int i = 1; i * i <= S; ++i) {
        if (S % i == 0) {
            P ~= i;
            if (i * i != S) {
                P ~= S / i;
            }
        }
    }

    int ans = 0;

    foreach (p; P) {
        int cnt = 0;
        int tmp = 0;
        bool ok = true;
        foreach (a; A) {
            if (tmp + a > p) {
                ok = false;
                break;
            } else if (tmp + a == p) {
                cnt += 1;
                tmp = 0;
            } else {
                tmp += a;
            }
        }
        if (ok) {
            ans = max(ans, cnt);
        }
    }

    ans.writeln;
}