206500520

素因数分解:

$2^3\times 5^1\times {\mathrm{5162513}}^1$

素因数の和:5162524

約数の個数: 16

約数和(自身を含む): 464626260

約数和(自身を除く): 258125740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5162513, 10325026, 20650052, 25812565, 41300104, 51625130, 103250260, 206500520]

約数ペア:

[(1, 206500520), (2, 103250260), (4, 51625130), (5, 41300104), (8, 25812565), (10, 20650052), (20, 10325026), (40, 5162513)]