130355920

素因数分解:

$2^4\times 5^1\times {\mathrm{1629449}}^1$

素因数の和:1629462

約数の個数: 20

約数和(自身を含む): 303077700

約数和(自身を除く): 172721780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1629449, 3258898, 6517796, 8147245, 13035592, 16294490, 26071184, 32588980, 65177960, 130355920]

約数ペア:

[(1, 130355920), (2, 65177960), (4, 32588980), (5, 26071184), (8, 16294490), (10, 13035592), (16, 8147245), (20, 6517796), (40, 3258898), (80, 1629449)]