204966260

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{25057}}^1$

素因数の和:25475

約数の個数: 24

約数和(自身を含む): 431498760

約数和(自身を除く): 226532500

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 25057, 50114, 100228, 125285, 250570, 501140, 10248313, 20496626, 40993252, 51241565, 102483130, 204966260]

約数ペア:

[(1, 204966260), (2, 102483130), (4, 51241565), (5, 40993252), (10, 20496626), (20, 10248313), (409, 501140), (818, 250570), (1636, 125285), (2045, 100228), (4090, 50114), (8180, 25057)]