3987940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18127}}^1$

素因数の和:18147

約数の個数: 24

約数和(自身を含む): 9136512

約数和(自身を除く): 5148572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18127, 36254, 72508, 90635, 181270, 199397, 362540, 398794, 797588, 996985, 1993970, 3987940]

約数ペア:

[(1, 3987940), (2, 1993970), (4, 996985), (5, 797588), (10, 398794), (11, 362540), (20, 199397), (22, 181270), (44, 90635), (55, 72508), (110, 36254), (220, 18127)]