8939860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2269}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 18877320

約数和(自身を除く): 9937460

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2269, 3940, 4538, 9076, 11345, 22690, 45380, 446993, 893986, 1787972, 2234965, 4469930, 8939860]

約数ペア:

[(1, 8939860), (2, 4469930), (4, 2234965), (5, 1787972), (10, 893986), (20, 446993), (197, 45380), (394, 22690), (788, 11345), (985, 9076), (1970, 4538), (2269, 3940)]