5395640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 12426480

約数和(自身を除く): 7030840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3137, 6274, 12548, 15685, 25096, 31370, 62740, 125480, 134891, 269782, 539564, 674455, 1079128, 1348910, 2697820, 5395640]

約数ペア:

[(1, 5395640), (2, 2697820), (4, 1348910), (5, 1079128), (8, 674455), (10, 539564), (20, 269782), (40, 134891), (43, 125480), (86, 62740), (172, 31370), (215, 25096), (344, 15685), (430, 12548), (860, 6274), (1720, 3137)]