Q: What is the sum of all factors of the number 320,223,440 excluding 320,223,440?

A: 425,041,360

Why is 425,041,360 the sum of all factors of 320,223,440, excluding 320,223,440?

The factors of the number 320,223,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1907, 2099, 3814, 4198, 7628, 8396, 9535, 10495, 15256, 16792, 19070, 20990, 30512, 33584, 38140, 41980, 76280, 83960, 152560, 167920, 4002793, 8005586, 16011172, 20013965, 32022344, 40027930, 64044688, 80055860, 160111720, 320223440.

If you add them up, you will get the total of 320,223,865. Now subtract 320,223,440 to get 425,041,360