61655620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237137}}^1$

素因数の和:237159

約数の個数: 24

約数和(自身を含む): 139437144

約数和(自身を除く): 77781524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 237137, 474274, 948548, 1185685, 2371370, 3082781, 4742740, 6165562, 12331124, 15413905, 30827810, 61655620]

約数ペア:

[(1, 61655620), (2, 30827810), (4, 15413905), (5, 12331124), (10, 6165562), (13, 4742740), (20, 3082781), (26, 2371370), (52, 1185685), (65, 948548), (130, 474274), (260, 237137)]