using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using static System.Math;
using MethodImplAttribute = System.Runtime.CompilerServices.MethodImplAttribute;
using MethodImplOptions = System.Runtime.CompilerServices.MethodImplOptions;

public static class P
{
    public static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        var a = Console.ReadLine().Split().Select(long.Parse).ToArray();
        long[] sum = new long[100001];
        for (int i = 0; i < n; i++)
            foreach (var div in Divisors(a[i]).Distinct())
                sum[div] += a[i] - (a[i] / div);

        for (int i = 1; ; i <<= 1)
        {
            if (a.Any(x => (x & i) != 0))
            {
                Console.WriteLine(a.Sum() - sum.Where((_, ind) => (ind & (i - 1)) == 0).Max());
                return;
            }
        }
    }

    static IEnumerable<long> Divisors(long n)
    {
        var max = (int)Ceiling(Sqrt(n));
        for (int i = 1; i <= max; i++)
            if (n % i == 0) { yield return i; yield return n / i; }
    }
}