55126160

素因数分解:

$2^4\times 5^1\times {\mathrm{689077}}^1$

素因数の和:689090

約数の個数: 20

約数和(自身を含む): 128168508

約数和(自身を除く): 73042348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689077, 1378154, 2756308, 3445385, 5512616, 6890770, 11025232, 13781540, 27563080, 55126160]

約数ペア:

[(1, 55126160), (2, 27563080), (4, 13781540), (5, 11025232), (8, 6890770), (10, 5512616), (16, 3445385), (20, 2756308), (40, 1378154), (80, 689077)]