2017107280

素因数分解:

$2^4\times 5^1\times {\mathrm{25213841}}^1$

素因数の和:25213854

約数の個数: 20

約数和(自身を含む): 4689774612

約数和(自身を除く): 2672667332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25213841, 50427682, 100855364, 126069205, 201710728, 252138410, 403421456, 504276820, 1008553640, 2017107280]

約数ペア:

[(1, 2017107280), (2, 1008553640), (4, 504276820), (5, 403421456), (8, 252138410), (10, 201710728), (16, 126069205), (20, 100855364), (40, 50427682), (80, 25213841)]