61664140

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{4241}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 129703392

約数和(自身を除く): 68039252

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 4241, 7270, 8482, 14540, 16964, 21205, 42410, 84820, 3083207, 6166414, 12332828, 15416035, 30832070, 61664140]

約数ペア:

[(1, 61664140), (2, 30832070), (4, 15416035), (5, 12332828), (10, 6166414), (20, 3083207), (727, 84820), (1454, 42410), (2908, 21205), (3635, 16964), (4241, 14540), (7270, 8482)]