40407580

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4799}}^1$

素因数の和:5229

約数の個数: 24

約数和(自身を含む): 85075200

約数和(自身を除く): 44667620

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4799, 8420, 9598, 19196, 23995, 47990, 95980, 2020379, 4040758, 8081516, 10101895, 20203790, 40407580]

約数ペア:

[(1, 40407580), (2, 20203790), (4, 10101895), (5, 8081516), (10, 4040758), (20, 2020379), (421, 95980), (842, 47990), (1684, 23995), (2105, 19196), (4210, 9598), (4799, 8420)]