10861240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20887}}^1$

素因数の和:20911

約数の個数: 32

約数和(自身を含む): 26318880

約数和(自身を除く): 15457640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 20887, 41774, 83548, 104435, 167096, 208870, 271531, 417740, 543062, 835480, 1086124, 1357655, 2172248, 2715310, 5430620, 10861240]

約数ペア:

[(1, 10861240), (2, 5430620), (4, 2715310), (5, 2172248), (8, 1357655), (10, 1086124), (13, 835480), (20, 543062), (26, 417740), (40, 271531), (52, 208870), (65, 167096), (104, 104435), (130, 83548), (260, 41774), (520, 20887)]