Q: What is the sum of all factors of the number 12,501,250 excluding 12,501,250?

A: 11,425,466

Why is 11,425,466 the sum of all factors of 12,501,250, excluding 12,501,250?

The factors of the number 12,501,250 are: 1, 2, 5, 10, 25, 50, 73, 125, 137, 146, 250, 274, 365, 625, 685, 730, 1250, 1370, 1825, 3425, 3650, 6850, 9125, 10001, 17125, 18250, 20002, 34250, 45625, 50005, 85625, 91250, 100010, 171250, 250025, 500050, 1250125, 2500250, 6250625, 12501250.

If you add them up, you will get the total of 12,501,261. Now subtract 12,501,250 to get 11,425,466