206817080

素因数分解:

$2^3\times 5^1\times {\mathrm{5170427}}^1$

素因数の和:5170438

約数の個数: 16

約数和(自身を含む): 465338520

約数和(自身を除く): 258521440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5170427, 10340854, 20681708, 25852135, 41363416, 51704270, 103408540, 206817080]

約数ペア:

[(1, 206817080), (2, 103408540), (4, 51704270), (5, 41363416), (8, 25852135), (10, 20681708), (20, 10340854), (40, 5170427)]