27285220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31727}}^1$

素因数の和:31779

約数の個数: 24

約数和(自身を含む): 58633344

約数和(自身を除く): 31348124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 31727, 63454, 126908, 158635, 317270, 634540, 1364261, 2728522, 5457044, 6821305, 13642610, 27285220]

約数ペア:

[(1, 27285220), (2, 13642610), (4, 6821305), (5, 5457044), (10, 2728522), (20, 1364261), (43, 634540), (86, 317270), (172, 158635), (215, 126908), (430, 63454), (860, 31727)]