8900240

素因数分解:

$2^4\times 5^1\times {\mathrm{111253}}^1$

素因数の和:111266

約数の個数: 20

約数和(自身を含む): 20693244

約数和(自身を除く): 11793004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111253, 222506, 445012, 556265, 890024, 1112530, 1780048, 2225060, 4450120, 8900240]

約数ペア:

[(1, 8900240), (2, 4450120), (4, 2225060), (5, 1780048), (8, 1112530), (10, 890024), (16, 556265), (20, 445012), (40, 222506), (80, 111253)]