40520584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389621}}^1$

素因数の和:389640

約数の個数: 16

約数和(自身を含む): 81820620

約数和(自身を除く): 41300036

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389621, 779242, 1558484, 3116968, 5065073, 10130146, 20260292, 40520584]

約数ペア:

[(1, 40520584), (2, 20260292), (4, 10130146), (8, 5065073), (13, 3116968), (26, 1558484), (52, 779242), (104, 389621)]