8842280

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 19980000

約数和(自身を除く): 11137720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 499, 886, 998, 1772, 1996, 2215, 2495, 3544, 3992, 4430, 4990, 8860, 9980, 17720, 19960, 221057, 442114, 884228, 1105285, 1768456, 2210570, 4421140, 8842280]

約数ペア:

[(1, 8842280), (2, 4421140), (4, 2210570), (5, 1768456), (8, 1105285), (10, 884228), (20, 442114), (40, 221057), (443, 19960), (499, 17720), (886, 9980), (998, 8860), (1772, 4990), (1996, 4430), (2215, 3992), (2495, 3544)]