51858320

素因数分解:

$2^4\times 5^1\times {\mathrm{648229}}^1$

素因数の和:648242

約数の個数: 20

約数和(自身を含む): 120570780

約数和(自身を除く): 68712460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648229, 1296458, 2592916, 3241145, 5185832, 6482290, 10371664, 12964580, 25929160, 51858320]

約数ペア:

[(1, 51858320), (2, 25929160), (4, 12964580), (5, 10371664), (8, 6482290), (10, 5185832), (16, 3241145), (20, 2592916), (40, 1296458), (80, 648229)]