205770680

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{18307}}^1$

素因数の和:18599

約数の個数: 32

約数和(自身を含む): 464657040

約数和(自身を除く): 258886360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 18307, 36614, 73228, 91535, 146456, 183070, 366140, 732280, 5144267, 10288534, 20577068, 25721335, 41154136, 51442670, 102885340, 205770680]

約数ペア:

[(1, 205770680), (2, 102885340), (4, 51442670), (5, 41154136), (8, 25721335), (10, 20577068), (20, 10288534), (40, 5144267), (281, 732280), (562, 366140), (1124, 183070), (1405, 146456), (2248, 91535), (2810, 73228), (5620, 36614), (11240, 18307)]