119778640

素因数分解:

$2^4\times 5^1\times {\mathrm{1497233}}^1$

素因数の和:1497246

約数の個数: 20

約数和(自身を含む): 278485524

約数和(自身を除く): 158706884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1497233, 2994466, 5988932, 7486165, 11977864, 14972330, 23955728, 29944660, 59889320, 119778640]

約数ペア:

[(1, 119778640), (2, 59889320), (4, 29944660), (5, 23955728), (8, 14972330), (10, 11977864), (16, 7486165), (20, 5988932), (40, 2994466), (80, 1497233)]