Q: What is the sum of all factors of the number 8,481,220 excluding 8,481,220?

A: 11,981,180

Why is 11,981,180 the sum of all factors of 8,481,220, excluding 8,481,220?

The factors of the number 8,481,220 are: 1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2029, 2090, 4058, 4180, 8116, 10145, 20290, 22319, 38551, 40580, 44638, 77102, 89276, 111595, 154204, 192755, 223190, 385510, 424061, 446380, 771020, 848122, 1696244, 2120305, 4240610, 8481220.

If you add them up, you will get the total of 8,481,231. Now subtract 8,481,220 to get 11,981,180