8911240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17137}}^1$

素因数の和:17161

約数の個数: 32

約数和(自身を含む): 21593880

約数和(自身を除く): 12682640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17137, 34274, 68548, 85685, 137096, 171370, 222781, 342740, 445562, 685480, 891124, 1113905, 1782248, 2227810, 4455620, 8911240]

約数ペア:

[(1, 8911240), (2, 4455620), (4, 2227810), (5, 1782248), (8, 1113905), (10, 891124), (13, 685480), (20, 445562), (26, 342740), (40, 222781), (52, 171370), (65, 137096), (104, 85685), (130, 68548), (260, 34274), (520, 17137)]