42506740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26903}}^1$

素因数の和:26991

約数の個数: 24

約数和(自身を含む): 90397440

約数和(自身を除く): 47890700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26903, 53806, 107612, 134515, 269030, 538060, 2125337, 4250674, 8501348, 10626685, 21253370, 42506740]

約数ペア:

[(1, 42506740), (2, 21253370), (4, 10626685), (5, 8501348), (10, 4250674), (20, 2125337), (79, 538060), (158, 269030), (316, 134515), (395, 107612), (790, 53806), (1580, 26903)]