204508520

素因数分解:

$2^3\times 5^1\times {\mathrm{5112713}}^1$

素因数の和:5112724

約数の個数: 16

約数和(自身を含む): 460144260

約数和(自身を除く): 255635740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5112713, 10225426, 20450852, 25563565, 40901704, 51127130, 102254260, 204508520]

約数ペア:

[(1, 204508520), (2, 102254260), (4, 51127130), (5, 40901704), (8, 25563565), (10, 20450852), (20, 10225426), (40, 5112713)]