8978660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6323}}^1$

素因数の和:6403

約数の個数: 24

約数和(自身を含む): 19123776

約数和(自身を除く): 10145116

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6323, 12646, 25292, 31615, 63230, 126460, 448933, 897866, 1795732, 2244665, 4489330, 8978660]

約数ペア:

[(1, 8978660), (2, 4489330), (4, 2244665), (5, 1795732), (10, 897866), (20, 448933), (71, 126460), (142, 63230), (284, 31615), (355, 25292), (710, 12646), (1420, 6323)]