204868780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{80657}}^1$

素因数の和:80793

約数の個数: 24

約数和(自身を含む): 433617408

約数和(自身を除く): 228748628

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 80657, 161314, 322628, 403285, 806570, 1613140, 10243439, 20486878, 40973756, 51217195, 102434390, 204868780]

約数ペア:

[(1, 204868780), (2, 102434390), (4, 51217195), (5, 40973756), (10, 20486878), (20, 10243439), (127, 1613140), (254, 806570), (508, 403285), (635, 322628), (1270, 161314), (2540, 80657)]