8109040

素因数分解:

$2^4\times 5^1\times {\mathrm{101363}}^1$

素因数の和:101376

約数の個数: 20

約数和(自身を含む): 18853704

約数和(自身を除く): 10744664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101363, 202726, 405452, 506815, 810904, 1013630, 1621808, 2027260, 4054520, 8109040]

約数ペア:

[(1, 8109040), (2, 4054520), (4, 2027260), (5, 1621808), (8, 1013630), (10, 810904), (16, 506815), (20, 405452), (40, 202726), (80, 101363)]