55007440

素因数分解:

$2^4\times 5^1\times {\mathrm{687593}}^1$

素因数の和:687606

約数の個数: 20

約数和(自身を含む): 127892484

約数和(自身を除く): 72885044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687593, 1375186, 2750372, 3437965, 5500744, 6875930, 11001488, 13751860, 27503720, 55007440]

約数ペア:

[(1, 55007440), (2, 27503720), (4, 13751860), (5, 11001488), (8, 6875930), (10, 5500744), (16, 3437965), (20, 2750372), (40, 1375186), (80, 687593)]