2427280

素因数分解:

$2^4\times 5^1\times {\mathrm{30341}}^1$

素因数の和:30354

約数の個数: 20

約数和(自身を含む): 5643612

約数和(自身を除く): 3216332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 30341, 60682, 121364, 151705, 242728, 303410, 485456, 606820, 1213640, 2427280]

約数ペア:

[(1, 2427280), (2, 1213640), (4, 606820), (5, 485456), (8, 303410), (10, 242728), (16, 151705), (20, 121364), (40, 60682), (80, 30341)]