2019295025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103421}}^1$

素因数の和:103513

約数の個数: 24

約数和(自身を含む): 2770054848

約数和(自身を除く): 750759823

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 103421, 517105, 1137631, 2585525, 5688155, 7342891, 28440775, 36714455, 80771801, 183572275, 403859005, 2019295025]

約数ペア:

[(1, 2019295025), (5, 403859005), (11, 183572275), (25, 80771801), (55, 36714455), (71, 28440775), (275, 7342891), (355, 5688155), (781, 2585525), (1775, 1137631), (3905, 517105), (19525, 103421)]