Q: What is the sum of all factors of the number 265,600 excluding 265,600?

A: 398,420

Why is 398,420 the sum of all factors of 265,600, excluding 265,600?

The factors of the number 265,600 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 128, 160, 166, 200, 320, 332, 400, 415, 640, 664, 800, 830, 1328, 1600, 1660, 2075, 2656, 3200, 3320, 4150, 5312, 6640, 8300, 10624, 13280, 16600, 26560, 33200, 53120, 66400, 132800, 265600.

If you add them up, you will get the total of 265,998. Now subtract 265,600 to get 398,420