55542160

素因数分解:

$2^4\times 5^1\times {\mathrm{694277}}^1$

素因数の和:694290

約数の個数: 20

約数和(自身を含む): 129135708

約数和(自身を除く): 73593548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694277, 1388554, 2777108, 3471385, 5554216, 6942770, 11108432, 13885540, 27771080, 55542160]

約数ペア:

[(1, 55542160), (2, 27771080), (4, 13885540), (5, 11108432), (8, 6942770), (10, 5554216), (16, 3471385), (20, 2777108), (40, 1388554), (80, 694277)]