69137480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42157}}^1$

素因数の和:42209

約数の個数: 32

約数和(自身を含む): 159357240

約数和(自身を除く): 90219760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 42157, 84314, 168628, 210785, 337256, 421570, 843140, 1686280, 1728437, 3456874, 6913748, 8642185, 13827496, 17284370, 34568740, 69137480]

約数ペア:

[(1, 69137480), (2, 34568740), (4, 17284370), (5, 13827496), (8, 8642185), (10, 6913748), (20, 3456874), (40, 1728437), (41, 1686280), (82, 843140), (164, 421570), (205, 337256), (328, 210785), (410, 168628), (820, 84314), (1640, 42157)]