Q: What is the sum of all factors of the number 531,520 excluding 531,520?

A: 858,368

Why is 858,368 the sum of all factors of 531,520, excluding 531,520?

The factors of the number 531,520 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 151, 160, 176, 220, 302, 320, 352, 440, 604, 704, 755, 880, 1208, 1510, 1661, 1760, 2416, 3020, 3322, 3520, 4832, 6040, 6644, 8305, 9664, 12080, 13288, 16610, 24160, 26576, 33220, 48320, 53152, 66440, 106304, 132880, 265760, 531520.

If you add them up, you will get the total of 532,378. Now subtract 531,520 to get 858,368