89642320

素因数分解:

$2^4\times 5^1\times {\mathrm{1120529}}^1$

素因数の和:1120542

約数の個数: 20

約数和(自身を含む): 208418580

約数和(自身を除く): 118776260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120529, 2241058, 4482116, 5602645, 8964232, 11205290, 17928464, 22410580, 44821160, 89642320]

約数ペア:

[(1, 89642320), (2, 44821160), (4, 22410580), (5, 17928464), (8, 11205290), (10, 8964232), (16, 5602645), (20, 4482116), (40, 2241058), (80, 1120529)]