54458680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6911}}^1$

素因数の和:7119

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 68713160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 6911, 7880, 13822, 27644, 34555, 55288, 69110, 138220, 276440, 1361467, 2722934, 5445868, 6807335, 10891736, 13614670, 27229340, 54458680]

約数ペア:

[(1, 54458680), (2, 27229340), (4, 13614670), (5, 10891736), (8, 6807335), (10, 5445868), (20, 2722934), (40, 1361467), (197, 276440), (394, 138220), (788, 69110), (985, 55288), (1576, 34555), (1970, 27644), (3940, 13822), (6911, 7880)]