1256252080

素因数分解:

$2^4\times 5^1\times {\mathrm{15703151}}^1$

素因数の和:15703164

約数の個数: 20

約数和(自身を含む): 2920786272

約数和(自身を除く): 1664534192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15703151, 31406302, 62812604, 78515755, 125625208, 157031510, 251250416, 314063020, 628126040, 1256252080]

約数ペア:

[(1, 1256252080), (2, 628126040), (4, 314063020), (5, 251250416), (8, 157031510), (10, 125625208), (16, 78515755), (20, 62812604), (40, 31406302), (80, 15703151)]