211314640

素因数分解:

$2^4\times 5^1\times {\mathrm{2641433}}^1$

素因数の和:2641446

約数の個数: 20

約数和(自身を含む): 491306724

約数和(自身を除く): 279992084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2641433, 5282866, 10565732, 13207165, 21131464, 26414330, 42262928, 52828660, 105657320, 211314640]

約数ペア:

[(1, 211314640), (2, 105657320), (4, 52828660), (5, 42262928), (8, 26414330), (10, 21131464), (16, 13207165), (20, 10565732), (40, 5282866), (80, 2641433)]