8021260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30851}}^1$

素因数の和:30873

約数の個数: 24

約数和(自身を含む): 18140976

約数和(自身を除く): 10119716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30851, 61702, 123404, 154255, 308510, 401063, 617020, 802126, 1604252, 2005315, 4010630, 8021260]

約数ペア:

[(1, 8021260), (2, 4010630), (4, 2005315), (5, 1604252), (10, 802126), (13, 617020), (20, 401063), (26, 308510), (52, 154255), (65, 123404), (130, 61702), (260, 30851)]