Q: What is the sum of all factors of the number 25,778,678 excluding 25,778,678?
A: 12,889,342
The factors of the number 25,778,678 are: 1, 2, 12889339, 25778678.
If you add them up, you will get the total of 25,778,690. Now subtract 25,778,678 to get 12,889,342