38969740

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4001}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 82024992

約数和(自身を除く): 43055252

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4001, 4870, 8002, 9740, 16004, 20005, 40010, 80020, 1948487, 3896974, 7793948, 9742435, 19484870, 38969740]

約数ペア:

[(1, 38969740), (2, 19484870), (4, 9742435), (5, 7793948), (10, 3896974), (20, 1948487), (487, 80020), (974, 40010), (1948, 20005), (2435, 16004), (4001, 9740), (4870, 8002)]