28910620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33617}}^1$

素因数の和:33669

約数の個数: 24

約数和(自身を含む): 62126064

約数和(自身を除く): 33215444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33617, 67234, 134468, 168085, 336170, 672340, 1445531, 2891062, 5782124, 7227655, 14455310, 28910620]

約数ペア:

[(1, 28910620), (2, 14455310), (4, 7227655), (5, 5782124), (10, 2891062), (20, 1445531), (43, 672340), (86, 336170), (172, 168085), (215, 134468), (430, 67234), (860, 33617)]