54987280

素因数分解:

$2^4\times 5^1\times {\mathrm{687341}}^1$

素因数の和:687354

約数の個数: 20

約数和(自身を含む): 127845612

約数和(自身を除く): 72858332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687341, 1374682, 2749364, 3436705, 5498728, 6873410, 10997456, 13746820, 27493640, 54987280]

約数ペア:

[(1, 54987280), (2, 27493640), (4, 13746820), (5, 10997456), (8, 6873410), (10, 5498728), (16, 3436705), (20, 2749364), (40, 1374682), (80, 687341)]