Q: What is the sum of all factors of the number 43,040 excluding 43,040?
A: 59,020
The factors of the number 43,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520, 43040.
If you add them up, you will get the total of 43,099. Now subtract 43,040 to get 59,020