261535580

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{9151}}^1$

素因数の和:10589

約数の個数: 24

約数和(自身を含む): 549669120

約数和(自身を除く): 288133540

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 5716, 7145, 9151, 14290, 18302, 28580, 36604, 45755, 91510, 183020, 13076779, 26153558, 52307116, 65383895, 130767790, 261535580]

約数ペア:

[(1, 261535580), (2, 130767790), (4, 65383895), (5, 52307116), (10, 26153558), (20, 13076779), (1429, 183020), (2858, 91510), (5716, 45755), (7145, 36604), (9151, 28580), (14290, 18302)]