85662340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27281}}^1$

素因数の和:27447

約数の個数: 24

約数和(自身を含む): 181043352

約数和(自身を除く): 95381012

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 27281, 54562, 109124, 136405, 272810, 545620, 4283117, 8566234, 17132468, 21415585, 42831170, 85662340]

約数ペア:

[(1, 85662340), (2, 42831170), (4, 21415585), (5, 17132468), (10, 8566234), (20, 4283117), (157, 545620), (314, 272810), (628, 136405), (785, 109124), (1570, 54562), (3140, 27281)]