39397940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15511}}^1$

素因数の和:15647

約数の個数: 24

約数和(自身を含む): 83392512

約数和(自身を除く): 43994572

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15511, 31022, 62044, 77555, 155110, 310220, 1969897, 3939794, 7879588, 9849485, 19698970, 39397940]

約数ペア:

[(1, 39397940), (2, 19698970), (4, 9849485), (5, 7879588), (10, 3939794), (20, 1969897), (127, 310220), (254, 155110), (508, 77555), (635, 62044), (1270, 31022), (2540, 15511)]