10490320

素因数分解:

$2^4\times 5^1\times {\mathrm{131129}}^1$

素因数の和:131142

約数の個数: 20

約数和(自身を含む): 24390180

約数和(自身を除く): 13899860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131129, 262258, 524516, 655645, 1049032, 1311290, 2098064, 2622580, 5245160, 10490320]

約数ペア:

[(1, 10490320), (2, 5245160), (4, 2622580), (5, 2098064), (8, 1311290), (10, 1049032), (16, 655645), (20, 524516), (40, 262258), (80, 131129)]