Q: What is the sum of all factors of the number 12,345,128 excluding 12,345,128?
A: 12,745,432
The factors of the number 12,345,128 are: 1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2111, 2924, 4222, 5848, 8444, 16888, 35887, 71774, 90773, 143548, 181546, 287096, 363092, 726184, 1543141, 3086282, 6172564, 12345128.
If you add them up, you will get the total of 12,345,140. Now subtract 12,345,128 to get 12,745,432