Q: What is the sum of all factors of the number 805,220 excluding 805,220?

A: 1,123,420

Why is 1,123,420 the sum of all factors of 805,220, excluding 805,220?

The factors of the number 805,220 are: 1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 163, 190, 247, 260, 326, 380, 494, 652, 815, 988, 1235, 1630, 2119, 2470, 3097, 3260, 4238, 4940, 6194, 8476, 10595, 12388, 15485, 21190, 30970, 40261, 42380, 61940, 80522, 161044, 201305, 402610, 805220.

If you add them up, you will get the total of 805,221. Now subtract 805,220 to get 1,123,420