using System.Linq;
using System.Collections.Generic;
using System;

public class Hello
{
    static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        var sum = a.Sum();
        var amax = a.Max();
        var c = new List<int>();
        for (int i = 1; i * i <= sum; i++)
        {
            if (sum % i == 0)
            {
                if (i >= amax) c.Add(i);
                if (sum / i != i && sum / i >= amax) c.Add(sum / i);
            }
        }
        c.Sort();
        var b = new int[n + 1];
        for (int i = 0; i < n; i++)
        {
            b[i + 1] = b[i] + a[i];
        }
        foreach (var x in c)
        {
            if (check(n, b, x)) { Console.WriteLine(sum / x); break; }
        }
    }
    static bool check(int n, int[] b, int t)
    {
        var p = 0;
        var q = p + 1;
        while (p < n)
        {
            var w = b[q] - b[p];
            if (w > t) return false;
            else if (w == t) { p = q; q = p + 1; continue; }
            q++;
        }
        return true;
    }
}