51792080

素因数分解:

$2^4\times 5^1\times {\mathrm{647401}}^1$

素因数の和:647414

約数の個数: 20

約数和(自身を含む): 120416772

約数和(自身を除く): 68624692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647401, 1294802, 2589604, 3237005, 5179208, 6474010, 10358416, 12948020, 25896040, 51792080]

約数ペア:

[(1, 51792080), (2, 25896040), (4, 12948020), (5, 10358416), (8, 6474010), (10, 5179208), (16, 3237005), (20, 2589604), (40, 1294802), (80, 647401)]