3847640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 8862480

約数和(自身を除く): 5014840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2237, 4474, 8948, 11185, 17896, 22370, 44740, 89480, 96191, 192382, 384764, 480955, 769528, 961910, 1923820, 3847640]

約数ペア:

[(1, 3847640), (2, 1923820), (4, 961910), (5, 769528), (8, 480955), (10, 384764), (20, 192382), (40, 96191), (43, 89480), (86, 44740), (172, 22370), (215, 17896), (344, 11185), (430, 8948), (860, 4474), (1720, 2237)]