8478740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9859}}^1$

素因数の和:9911

約数の個数: 24

約数和(自身を含む): 18221280

約数和(自身を除く): 9742540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9859, 19718, 39436, 49295, 98590, 197180, 423937, 847874, 1695748, 2119685, 4239370, 8478740]

約数ペア:

[(1, 8478740), (2, 4239370), (4, 2119685), (5, 1695748), (10, 847874), (20, 423937), (43, 197180), (86, 98590), (172, 49295), (215, 39436), (430, 19718), (860, 9859)]