67848140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31123}}^1$

素因数の和:31241

約数の個数: 24

約数和(自身を含む): 143792880

約数和(自身を除く): 75944740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31123, 62246, 124492, 155615, 311230, 622460, 3392407, 6784814, 13569628, 16962035, 33924070, 67848140]

約数ペア:

[(1, 67848140), (2, 33924070), (4, 16962035), (5, 13569628), (10, 6784814), (20, 3392407), (109, 622460), (218, 311230), (436, 155615), (545, 124492), (1090, 62246), (2180, 31123)]