6645220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7727}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 14281344

約数和(自身を除く): 7636124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 7727, 15454, 30908, 38635, 77270, 154540, 332261, 664522, 1329044, 1661305, 3322610, 6645220]

約数ペア:

[(1, 6645220), (2, 3322610), (4, 1661305), (5, 1329044), (10, 664522), (20, 332261), (43, 154540), (86, 77270), (172, 38635), (215, 30908), (430, 15454), (860, 7727)]