408778820

素因数分解:

$2^2\times 5^1\times {\mathrm{4799}}^1\times {\mathrm{4259}}^1$

素因数の和:9067

約数の個数: 24

約数和(自身を含む): 858816000

約数和(自身を除く): 450037180

約数列:

[1, 2, 4, 5, 10, 20, 4259, 4799, 8518, 9598, 17036, 19196, 21295, 23995, 42590, 47990, 85180, 95980, 20438941, 40877882, 81755764, 102194705, 204389410, 408778820]

約数ペア:

[(1, 408778820), (2, 204389410), (4, 102194705), (5, 81755764), (10, 40877882), (20, 20438941), (4259, 95980), (4799, 85180), (8518, 47990), (9598, 42590), (17036, 23995), (19196, 21295)]