13887940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63127}}^1$

素因数の和:63147

約数の個数: 24

約数和(自身を含む): 31816512

約数和(自身を除く): 17928572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 63127, 126254, 252508, 315635, 631270, 694397, 1262540, 1388794, 2777588, 3471985, 6943970, 13887940]

約数ペア:

[(1, 13887940), (2, 6943970), (4, 3471985), (5, 2777588), (10, 1388794), (11, 1262540), (20, 694397), (22, 631270), (44, 315635), (55, 252508), (110, 126254), (220, 63127)]