39258640

素因数分解:

$2^4\times 5^1\times {\mathrm{490733}}^1$

素因数の和:490746

約数の個数: 20

約数和(自身を含む): 91276524

約数和(自身を除く): 52017884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490733, 981466, 1962932, 2453665, 3925864, 4907330, 7851728, 9814660, 19629320, 39258640]

約数ペア:

[(1, 39258640), (2, 19629320), (4, 9814660), (5, 7851728), (8, 4907330), (10, 3925864), (16, 2453665), (20, 1962932), (40, 981466), (80, 490733)]