Q: What is the sum of all factors of the number 421,520 including 421,520?

A: 1,071,360

Why is 1,071,360 the sum of all factors of 421,520, including 421,520?

The factors of the number 421,520 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 479, 880, 958, 1916, 2395, 3832, 4790, 5269, 7664, 9580, 10538, 19160, 21076, 26345, 38320, 42152, 52690, 84304, 105380, 210760, 421520.

If you add them up, you will get the total of 1,071,360.