40027280

素因数分解:

$2^4\times 5^1\times {\mathrm{500341}}^1$

素因数の和:500354

約数の個数: 20

約数和(自身を含む): 93063612

約数和(自身を除く): 53036332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500341, 1000682, 2001364, 2501705, 4002728, 5003410, 8005456, 10006820, 20013640, 40027280]

約数ペア:

[(1, 40027280), (2, 20013640), (4, 10006820), (5, 8005456), (8, 5003410), (10, 4002728), (16, 2501705), (20, 2001364), (40, 1000682), (80, 500341)]