22875640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2903}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 51749280

約数和(自身を除く): 28873640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2903, 3940, 5806, 7880, 11612, 14515, 23224, 29030, 58060, 116120, 571891, 1143782, 2287564, 2859455, 4575128, 5718910, 11437820, 22875640]

約数ペア:

[(1, 22875640), (2, 11437820), (4, 5718910), (5, 4575128), (8, 2859455), (10, 2287564), (20, 1143782), (40, 571891), (197, 116120), (394, 58060), (788, 29030), (985, 23224), (1576, 14515), (1970, 11612), (2903, 7880), (3940, 5806)]