8657980

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2243}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 18284112

約数和(自身を除く): 9626132

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 2243, 3860, 4486, 8972, 11215, 22430, 44860, 432899, 865798, 1731596, 2164495, 4328990, 8657980]

約数ペア:

[(1, 8657980), (2, 4328990), (4, 2164495), (5, 1731596), (10, 865798), (20, 432899), (193, 44860), (386, 22430), (772, 11215), (965, 8972), (1930, 4486), (2243, 3860)]