8502820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9887}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 18273024

約数和(自身を除く): 9770204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9887, 19774, 39548, 49435, 98870, 197740, 425141, 850282, 1700564, 2125705, 4251410, 8502820]

約数ペア:

[(1, 8502820), (2, 4251410), (4, 2125705), (5, 1700564), (10, 850282), (20, 425141), (43, 197740), (86, 98870), (172, 49435), (215, 39548), (430, 19774), (860, 9887)]