8121140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{827}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 17109792

約数和(自身を除く): 8988652

約数列:

[1, 2, 4, 5, 10, 20, 491, 827, 982, 1654, 1964, 2455, 3308, 4135, 4910, 8270, 9820, 16540, 406057, 812114, 1624228, 2030285, 4060570, 8121140]

約数ペア:

[(1, 8121140), (2, 4060570), (4, 2030285), (5, 1624228), (10, 812114), (20, 406057), (491, 16540), (827, 9820), (982, 8270), (1654, 4910), (1964, 4135), (2455, 3308)]