39964820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285463}}^1$

素因数の和:285479

約数の個数: 24

約数和(自身を含む): 95915904

約数和(自身を除く): 55951084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285463, 570926, 1141852, 1427315, 1998241, 2854630, 3996482, 5709260, 7992964, 9991205, 19982410, 39964820]

約数ペア:

[(1, 39964820), (2, 19982410), (4, 9991205), (5, 7992964), (7, 5709260), (10, 3996482), (14, 2854630), (20, 1998241), (28, 1427315), (35, 1141852), (70, 570926), (140, 285463)]