Q: What is the sum of all factors of the number 55,075,840 excluding 55,075,840?

 A: 81,696,512

Why is 81,696,512 the sum of all factors of 55,075,840, excluding 55,075,840?

The factors of the number 55,075,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 347, 496, 512, 620, 640, 694, 992, 1024, 1240, 1280, 1388, 1735, 1984, 2480, 2560, 2776, 3470, 3968, 4960, 5120, 5552, 6940, 7936, 9920, 10757, 11104, 13880, 15872, 19840, 21514, 22208, 27760, 31744, 39680, 43028, 44416, 53785, 55520, 79360, 86056, 88832, 107570, 111040, 158720, 172112, 177664, 215140, 222080, 344224, 355328, 430280, 444160, 688448, 860560, 888320, 1376896, 1721120, 1776640, 2753792, 3442240, 5507584, 6884480, 11015168, 13768960, 27537920, 55075840.

If you add them up, you will get the total of 55,075,921. Now subtract 55,075,840 to get 81,696,512


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