3866780

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 8157408

約数和(自身を除く): 4290628

約数列:

[1, 2, 4, 5, 10, 20, 397, 487, 794, 974, 1588, 1948, 1985, 2435, 3970, 4870, 7940, 9740, 193339, 386678, 773356, 966695, 1933390, 3866780]

約数ペア:

[(1, 3866780), (2, 1933390), (4, 966695), (5, 773356), (10, 386678), (20, 193339), (397, 9740), (487, 7940), (794, 4870), (974, 3970), (1588, 2435), (1948, 1985)]