131058220

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{4003}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 275459184

約数和(自身を除く): 144400964

約数列:

[1, 2, 4, 5, 10, 20, 1637, 3274, 4003, 6548, 8006, 8185, 16012, 16370, 20015, 32740, 40030, 80060, 6552911, 13105822, 26211644, 32764555, 65529110, 131058220]

約数ペア:

[(1, 131058220), (2, 65529110), (4, 32764555), (5, 26211644), (10, 13105822), (20, 6552911), (1637, 80060), (3274, 40030), (4003, 32740), (6548, 20015), (8006, 16370), (8185, 16012)]