258011080

素因数分解:

$2^3\times 5^1\times {\mathrm{6450277}}^1$

素因数の和:6450288

約数の個数: 16

約数和(自身を含む): 580525020

約数和(自身を除く): 322513940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6450277, 12900554, 25801108, 32251385, 51602216, 64502770, 129005540, 258011080]

約数ペア:

[(1, 258011080), (2, 129005540), (4, 64502770), (5, 51602216), (8, 32251385), (10, 25801108), (20, 12900554), (40, 6450277)]