Q: What is the sum of all factors of the number 131,623,640 excluding 131,623,640?

A: 180,118,360

Why is 180,118,360 the sum of all factors of 131,623,640, excluding 131,623,640?

The factors of the number 131,623,640 are: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 173189, 346378, 692756, 865945, 1385512, 1731890, 3290591, 3463780, 6581182, 6927560, 13162364, 16452955, 26324728, 32905910, 65811820, 131623640.

If you add them up, you will get the total of 131,623,820. Now subtract 131,623,640 to get 180,118,360