39872120

素因数分解:

$2^3\times 5^1\times {\mathrm{996803}}^1$

素因数の和:996814

約数の個数: 16

約数和(自身を含む): 89712360

約数和(自身を除く): 49840240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 996803, 1993606, 3987212, 4984015, 7974424, 9968030, 19936060, 39872120]

約数ペア:

[(1, 39872120), (2, 19936060), (4, 9968030), (5, 7974424), (8, 4984015), (10, 3987212), (20, 1993606), (40, 996803)]