Q: What is the sum of all factors of the number 399,520 including 399,520?

A: 1,034,208

Why is 1,034,208 the sum of all factors of 399,520, including 399,520?

The factors of the number 399,520 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 227, 352, 440, 454, 880, 908, 1135, 1760, 1816, 2270, 2497, 3632, 4540, 4994, 7264, 9080, 9988, 12485, 18160, 19976, 24970, 36320, 39952, 49940, 79904, 99880, 199760, 399520.

If you add them up, you will get the total of 1,034,208.