12862480

素因数分解:

$2^4\times 5^1\times {\mathrm{160781}}^1$

素因数の和:160794

約数の個数: 20

約数和(自身を含む): 29905452

約数和(自身を除く): 17042972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160781, 321562, 643124, 803905, 1286248, 1607810, 2572496, 3215620, 6431240, 12862480]

約数ペア:

[(1, 12862480), (2, 6431240), (4, 3215620), (5, 2572496), (8, 1607810), (10, 1286248), (16, 803905), (20, 643124), (40, 321562), (80, 160781)]