8045585818220

素因数分解:

$2^2\times 5^1\times {\mathrm{402279290911}}^1$

素因数の和:402279290920

約数の個数: 12

約数和(自身を含む): 16895730218304

約数和(自身を除く): 8850144400084

約数列:

[1, 2, 4, 5, 10, 20, 402279290911, 804558581822, 1609117163644, 2011396454555, 4022792909110, 8045585818220]

約数ペア:

[(1, 8045585818220), (2, 4022792909110), (4, 2011396454555), (5, 1609117163644), (10, 804558581822), (20, 402279290911)]