380082020

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{18397}}^1$

素因数の和:19439

約数の個数: 24

約数和(自身を含む): 798988344

約数和(自身を除く): 418906324

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 4132, 5165, 10330, 18397, 20660, 36794, 73588, 91985, 183970, 367940, 19004101, 38008202, 76016404, 95020505, 190041010, 380082020]

約数ペア:

[(1, 380082020), (2, 190041010), (4, 95020505), (5, 76016404), (10, 38008202), (20, 19004101), (1033, 367940), (2066, 183970), (4132, 91985), (5165, 73588), (10330, 36794), (18397, 20660)]