8442320

素因数分解:

$2^4\times 5^1\times {\mathrm{105529}}^1$

素因数の和:105542

約数の個数: 20

約数和(自身を含む): 19628580

約数和(自身を除く): 11186260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105529, 211058, 422116, 527645, 844232, 1055290, 1688464, 2110580, 4221160, 8442320]

約数ペア:

[(1, 8442320), (2, 4221160), (4, 2110580), (5, 1688464), (8, 1055290), (10, 844232), (16, 527645), (20, 422116), (40, 211058), (80, 105529)]