39319120

素因数分解:

$2^4\times 5^1\times {\mathrm{491489}}^1$

素因数の和:491502

約数の個数: 20

約数和(自身を含む): 91417140

約数和(自身を除く): 52098020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491489, 982978, 1965956, 2457445, 3931912, 4914890, 7863824, 9829780, 19659560, 39319120]

約数ペア:

[(1, 39319120), (2, 19659560), (4, 9829780), (5, 7863824), (8, 4914890), (10, 3931912), (16, 2457445), (20, 1965956), (40, 982978), (80, 491489)]