Q: What is the sum of all factors of the number 25,414,420 excluding 25,414,420?

A: 30,227,180

Why is 30,227,180 the sum of all factors of 25,414,420, excluding 25,414,420?

The factors of the number 25,414,420 are: 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 229, 310, 358, 458, 620, 716, 895, 916, 1145, 1790, 2290, 3580, 4580, 5549, 7099, 11098, 14198, 22196, 27745, 28396, 35495, 40991, 55490, 70990, 81982, 110980, 141980, 163964, 204955, 409910, 819820, 1270721, 2541442, 5082884, 6353605, 12707210, 25414420.

If you add them up, you will get the total of 25,414,450. Now subtract 25,414,420 to get 30,227,180