28667820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{477797}}^1$

素因数の和:477809

約数の個数: 24

約数和(自身を含む): 80270064

約数和(自身を除く): 51602244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 477797, 955594, 1433391, 1911188, 2388985, 2866782, 4777970, 5733564, 7166955, 9555940, 14333910, 28667820]

約数ペア:

[(1, 28667820), (2, 14333910), (3, 9555940), (4, 7166955), (5, 5733564), (6, 4777970), (10, 2866782), (12, 2388985), (15, 1911188), (20, 1433391), (30, 955594), (60, 477797)]