171127280

素因数分解:

$2^4\times 5^1\times {\mathrm{2139091}}^1$

素因数の和:2139104

約数の個数: 20

約数和(自身を含む): 397871112

約数和(自身を除く): 226743832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2139091, 4278182, 8556364, 10695455, 17112728, 21390910, 34225456, 42781820, 85563640, 171127280]

約数ペア:

[(1, 171127280), (2, 85563640), (4, 42781820), (5, 34225456), (8, 21390910), (10, 17112728), (16, 10695455), (20, 8556364), (40, 4278182), (80, 2139091)]