68081240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6781}}^1$

素因数の和:7043

約数の個数: 32

約数和(自身を含む): 153815760

約数和(自身を除く): 85734520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6781, 10040, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 1702031, 3404062, 6808124, 8510155, 13616248, 17020310, 34040620, 68081240]

約数ペア:

[(1, 68081240), (2, 34040620), (4, 17020310), (5, 13616248), (8, 8510155), (10, 6808124), (20, 3404062), (40, 1702031), (251, 271240), (502, 135620), (1004, 67810), (1255, 54248), (2008, 33905), (2510, 27124), (5020, 13562), (6781, 10040)]