8231980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10039}}^1$

素因数の和:10089

約数の個数: 24

約数和(自身を含む): 17710560

約数和(自身を除く): 9478580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10039, 20078, 40156, 50195, 100390, 200780, 411599, 823198, 1646396, 2057995, 4115990, 8231980]

約数ペア:

[(1, 8231980), (2, 4115990), (4, 2057995), (5, 1646396), (10, 823198), (20, 411599), (41, 200780), (82, 100390), (164, 50195), (205, 40156), (410, 20078), (820, 10039)]