8159780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2503}}^1$

素因数の和:2675

約数の個数: 24

約数和(自身を含む): 17247552

約数和(自身を除く): 9087772

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2503, 3260, 5006, 10012, 12515, 25030, 50060, 407989, 815978, 1631956, 2039945, 4079890, 8159780]

約数ペア:

[(1, 8159780), (2, 4079890), (4, 2039945), (5, 1631956), (10, 815978), (20, 407989), (163, 50060), (326, 25030), (652, 12515), (815, 10012), (1630, 5006), (2503, 3260)]