8238980

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{839}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 17357760

約数和(自身を除く): 9118780

約数列:

[1, 2, 4, 5, 10, 20, 491, 839, 982, 1678, 1964, 2455, 3356, 4195, 4910, 8390, 9820, 16780, 411949, 823898, 1647796, 2059745, 4119490, 8238980]

約数ペア:

[(1, 8238980), (2, 4119490), (4, 2059745), (5, 1647796), (10, 823898), (20, 411949), (491, 16780), (839, 9820), (982, 8390), (1678, 4910), (1964, 4195), (2455, 3356)]