27940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 64512

約数和(自身を除く): 36572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2540, 2794, 5588, 6985, 13970, 27940]

約数ペア:

[(1, 27940), (2, 13970), (4, 6985), (5, 5588), (10, 2794), (11, 2540), (20, 1397), (22, 1270), (44, 635), (55, 508), (110, 254), (127, 220)]