28081580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32653}}^1$

素因数の和:32705

約数の個数: 24

約数和(自身を含む): 60344592

約数和(自身を除く): 32263012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 32653, 65306, 130612, 163265, 326530, 653060, 1404079, 2808158, 5616316, 7020395, 14040790, 28081580]

約数ペア:

[(1, 28081580), (2, 14040790), (4, 7020395), (5, 5616316), (10, 2808158), (20, 1404079), (43, 653060), (86, 326530), (172, 163265), (215, 130612), (430, 65306), (860, 32653)]