126618320

素因数分解:

$2^4\times 5^1\times {\mathrm{1582729}}^1$

素因数の和:1582742

約数の個数: 20

約数和(自身を含む): 294387780

約数和(自身を除く): 167769460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1582729, 3165458, 6330916, 7913645, 12661832, 15827290, 25323664, 31654580, 63309160, 126618320]

約数ペア:

[(1, 126618320), (2, 63309160), (4, 31654580), (5, 25323664), (8, 15827290), (10, 12661832), (16, 7913645), (20, 6330916), (40, 3165458), (80, 1582729)]