8145930

素因数分解:

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

素因数の和:20910

約数の個数: 32

約数和(自身を含む): 21055104

約数和(自身を除く): 12909174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20887, 41774, 62661, 104435, 125322, 208870, 271531, 313305, 543062, 626610, 814593, 1357655, 1629186, 2715310, 4072965, 8145930]

約数ペア:

[(1, 8145930), (2, 4072965), (3, 2715310), (5, 1629186), (6, 1357655), (10, 814593), (13, 626610), (15, 543062), (26, 313305), (30, 271531), (39, 208870), (65, 125322), (78, 104435), (130, 62661), (195, 41774), (390, 20887)]