Q: What is the sum of all factors of the number 111,111,040 excluding 111,111,040?

A: 156,638,960

Why is 156,638,960 the sum of all factors of 111,111,040, excluding 111,111,040?

The factors of the number 111,111,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1249, 1390, 2224, 2498, 2780, 4448, 4996, 5560, 6245, 8896, 9992, 11120, 12490, 17792, 19984, 22240, 24980, 39968, 44480, 49960, 79936, 88960, 99920, 159872, 173611, 199840, 347222, 399680, 694444, 799360, 868055, 1388888, 1736110, 2777776, 3472220, 5555552, 6944440, 11111104, 13888880, 22222208, 27777760, 55555520, 111111040.

If you add them up, you will get the total of 111,111,196. Now subtract 111,111,040 to get 156,638,960