81017710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^2$

素因数の和:1332

約数の個数: 24

約数和(自身を含む): 153742680

約数和(自身を除く): 72724970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 653, 1306, 3265, 6530, 12407, 24814, 62035, 124070, 426409, 852818, 2132045, 4264090, 8101771, 16203542, 40508855, 81017710]

約数ペア:

[(1, 81017710), (2, 40508855), (5, 16203542), (10, 8101771), (19, 4264090), (38, 2132045), (95, 852818), (190, 426409), (653, 124070), (1306, 62035), (3265, 24814), (6530, 12407)]