40987448

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{72161}}^1$

素因数の和:72238

約数の個数: 16

約数和(自身を含む): 77934960

約数和(自身を除く): 36947512

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 72161, 144322, 288644, 577288, 5123431, 10246862, 20493724, 40987448]

約数ペア:

[(1, 40987448), (2, 20493724), (4, 10246862), (8, 5123431), (71, 577288), (142, 288644), (284, 144322), (568, 72161)]