31439860

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1609}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 66132360

約数和(自身を除く): 34692500

約数列:

[1, 2, 4, 5, 10, 20, 977, 1609, 1954, 3218, 3908, 4885, 6436, 8045, 9770, 16090, 19540, 32180, 1571993, 3143986, 6287972, 7859965, 15719930, 31439860]

約数ペア:

[(1, 31439860), (2, 15719930), (4, 7859965), (5, 6287972), (10, 3143986), (20, 1571993), (977, 32180), (1609, 19540), (1954, 16090), (3218, 9770), (3908, 8045), (4885, 6436)]