Q: What is the sum of all factors of the number 256,501,040 excluding 256,501,040?

A: 341,637,760

Why is 341,637,760 the sum of all factors of 256,501,040, excluding 256,501,040?

The factors of the number 256,501,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 9187, 13960, 18374, 27920, 36748, 45935, 73496, 91870, 146992, 183740, 367480, 734960, 3206263, 6412526, 12825052, 16031315, 25650104, 32062630, 51300208, 64125260, 128250520, 256501040.

If you add them up, you will get the total of 256,501,381. Now subtract 256,501,040 to get 341,637,760