8628100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6637}}^1$

素因数の和:6664

約数の個数: 36

約数和(自身を含む): 20166244

約数和(自身を除く): 11538144

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6637, 13274, 26548, 33185, 66370, 86281, 132740, 165925, 172562, 331850, 345124, 431405, 663700, 862810, 1725620, 2157025, 4314050, 8628100]

約数ペア:

[(1, 8628100), (2, 4314050), (4, 2157025), (5, 1725620), (10, 862810), (13, 663700), (20, 431405), (25, 345124), (26, 331850), (50, 172562), (52, 165925), (65, 132740), (100, 86281), (130, 66370), (260, 33185), (325, 26548), (650, 13274), (1300, 6637)]