54878540

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4241}}^1$

素因数の和:4897

約数の個数: 24

約数和(自身を含む): 115450272

約数和(自身を除く): 60571732

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4241, 6470, 8482, 12940, 16964, 21205, 42410, 84820, 2743927, 5487854, 10975708, 13719635, 27439270, 54878540]

約数ペア:

[(1, 54878540), (2, 27439270), (4, 13719635), (5, 10975708), (10, 5487854), (20, 2743927), (647, 84820), (1294, 42410), (2588, 21205), (3235, 16964), (4241, 12940), (6470, 8482)]