55492780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{396377}}^1$

素因数の和:396393

約数の個数: 24

約数和(自身を含む): 133183008

約数和(自身を除く): 77690228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 396377, 792754, 1585508, 1981885, 2774639, 3963770, 5549278, 7927540, 11098556, 13873195, 27746390, 55492780]

約数ペア:

[(1, 55492780), (2, 27746390), (4, 13873195), (5, 11098556), (7, 7927540), (10, 5549278), (14, 3963770), (20, 2774639), (28, 1981885), (35, 1585508), (70, 792754), (140, 396377)]