12638180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4241}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 26724600

約数和(自身を除く): 14086420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 4241, 8482, 16964, 21205, 42410, 84820, 631909, 1263818, 2527636, 3159545, 6319090, 12638180]

約数ペア:

[(1, 12638180), (2, 6319090), (4, 3159545), (5, 2527636), (10, 1263818), (20, 631909), (149, 84820), (298, 42410), (596, 21205), (745, 16964), (1490, 8482), (2980, 4241)]