28551140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33199}}^1$

素因数の和:33251

約数の個数: 24

約数和(自身を含む): 61353600

約数和(自身を除く): 32802460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33199, 66398, 132796, 165995, 331990, 663980, 1427557, 2855114, 5710228, 7137785, 14275570, 28551140]

約数ペア:

[(1, 28551140), (2, 14275570), (4, 7137785), (5, 5710228), (10, 2855114), (20, 1427557), (43, 663980), (86, 331990), (172, 165995), (215, 132796), (430, 66398), (860, 33199)]