31153420

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1433}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 65528064

約数和(自身を除く): 34374644

約数列:

[1, 2, 4, 5, 10, 20, 1087, 1433, 2174, 2866, 4348, 5435, 5732, 7165, 10870, 14330, 21740, 28660, 1557671, 3115342, 6230684, 7788355, 15576710, 31153420]

約数ペア:

[(1, 31153420), (2, 15576710), (4, 7788355), (5, 6230684), (10, 3115342), (20, 1557671), (1087, 28660), (1433, 21740), (2174, 14330), (2866, 10870), (4348, 7165), (5435, 5732)]