Q: What is the sum of all factors of the number 11,415,440 excluding 11,415,440?

A: 15,987,568

Why is 15,987,568 the sum of all factors of 11,415,440, excluding 11,415,440?

The factors of the number 11,415,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4603, 9206, 18412, 23015, 36824, 46030, 73648, 92060, 142693, 184120, 285386, 368240, 570772, 713465, 1141544, 1426930, 2283088, 2853860, 5707720, 11415440.

If you add them up, you will get the total of 11,415,455. Now subtract 11,415,440 to get 15,987,568