38907280

素因数分解:

$2^4\times 5^1\times {\mathrm{486341}}^1$

素因数の和:486354

約数の個数: 20

約数和(自身を含む): 90459612

約数和(自身を除く): 51552332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486341, 972682, 1945364, 2431705, 3890728, 4863410, 7781456, 9726820, 19453640, 38907280]

約数ペア:

[(1, 38907280), (2, 19453640), (4, 9726820), (5, 7781456), (8, 4863410), (10, 3890728), (16, 2431705), (20, 1945364), (40, 972682), (80, 486341)]