39318380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27689}}^1$

素因数の和:27769

約数の個数: 24

約数和(自身を含む): 83734560

約数和(自身を除く): 44416180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27689, 55378, 110756, 138445, 276890, 553780, 1965919, 3931838, 7863676, 9829595, 19659190, 39318380]

約数ペア:

[(1, 39318380), (2, 19659190), (4, 9829595), (5, 7863676), (10, 3931838), (20, 1965919), (71, 553780), (142, 276890), (284, 138445), (355, 110756), (710, 55378), (1420, 27689)]