Q: What is the sum of all factors of the number 3,871,400 excluding 3,871,400?

A: 5,828,500

Why is 5,828,500 the sum of all factors of 3,871,400, excluding 3,871,400?

The factors of the number 3,871,400 are: 1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1489, 2600, 2978, 5956, 7445, 11912, 14890, 19357, 29780, 37225, 38714, 59560, 74450, 77428, 96785, 148900, 154856, 193570, 297800, 387140, 483925, 774280, 967850, 1935700, 3871400.

If you add them up, you will get the total of 3,871,405. Now subtract 3,871,400 to get 5,828,500