111142160

素因数分解:

$2^4\times 5^1\times {\mathrm{1389277}}^1$

素因数の和:1389290

約数の個数: 20

約数和(自身を含む): 258405708

約数和(自身を除く): 147263548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1389277, 2778554, 5557108, 6946385, 11114216, 13892770, 22228432, 27785540, 55571080, 111142160]

約数ペア:

[(1, 111142160), (2, 55571080), (4, 27785540), (5, 22228432), (8, 13892770), (10, 11114216), (16, 6946385), (20, 5557108), (40, 2778554), (80, 1389277)]