10871260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12641}}^1$

素因数の和:12693

約数の個数: 24

約数和(自身を含む): 23362416

約数和(自身を除く): 12491156

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 12641, 25282, 50564, 63205, 126410, 252820, 543563, 1087126, 2174252, 2717815, 5435630, 10871260]

約数ペア:

[(1, 10871260), (2, 5435630), (4, 2717815), (5, 2174252), (10, 1087126), (20, 543563), (43, 252820), (86, 126410), (172, 63205), (215, 50564), (430, 25282), (860, 12641)]