8989580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10453}}^1$

素因数の和:10505

約数の個数: 24

約数和(自身を含む): 19318992

約数和(自身を除く): 10329412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10453, 20906, 41812, 52265, 104530, 209060, 449479, 898958, 1797916, 2247395, 4494790, 8989580]

約数ペア:

[(1, 8989580), (2, 4494790), (4, 2247395), (5, 1797916), (10, 898958), (20, 449479), (43, 209060), (86, 104530), (172, 52265), (215, 41812), (430, 20906), (860, 10453)]