8106740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1021}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 17083752

約数和(自身を除く): 8977012

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1021, 1588, 1985, 2042, 3970, 4084, 5105, 7940, 10210, 20420, 405337, 810674, 1621348, 2026685, 4053370, 8106740]

約数ペア:

[(1, 8106740), (2, 4053370), (4, 2026685), (5, 1621348), (10, 810674), (20, 405337), (397, 20420), (794, 10210), (1021, 7940), (1588, 5105), (1985, 4084), (2042, 3970)]