40628780

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4241}}^1$

素因数の和:4729

約数の個数: 24

約数和(自身を含む): 85518720

約数和(自身を除く): 44889940

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4241, 4790, 8482, 9580, 16964, 21205, 42410, 84820, 2031439, 4062878, 8125756, 10157195, 20314390, 40628780]

約数ペア:

[(1, 40628780), (2, 20314390), (4, 10157195), (5, 8125756), (10, 4062878), (20, 2031439), (479, 84820), (958, 42410), (1916, 21205), (2395, 16964), (4241, 9580), (4790, 8482)]