28936420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33647}}^1$

素因数の和:33699

約数の個数: 24

約数和(自身を含む): 62181504

約数和(自身を除く): 33245084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33647, 67294, 134588, 168235, 336470, 672940, 1446821, 2893642, 5787284, 7234105, 14468210, 28936420]

約数ペア:

[(1, 28936420), (2, 14468210), (4, 7234105), (5, 5787284), (10, 2893642), (20, 1446821), (43, 672940), (86, 336470), (172, 168235), (215, 134588), (430, 67294), (860, 33647)]