181640020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{47057}}^1$

素因数の和:47259

約数の個数: 24

約数和(自身を含む): 383428584

約数和(自身を除く): 201788564

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 47057, 94114, 188228, 235285, 470570, 941140, 9082001, 18164002, 36328004, 45410005, 90820010, 181640020]

約数ペア:

[(1, 181640020), (2, 90820010), (4, 45410005), (5, 36328004), (10, 18164002), (20, 9082001), (193, 941140), (386, 470570), (772, 235285), (965, 188228), (1930, 94114), (3860, 47057)]