Q: What is the sum of all factors of the number 40,005 including 40,005?
A: 79,872
The factors of the number 40,005 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 635, 889, 1143, 1905, 2667, 4445, 5715, 8001, 13335, 40005.
If you add them up, you will get the total of 79,872.