16656025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 21873600

約数和(自身を除く): 5217575

約数列:

[1, 5, 23, 25, 83, 115, 349, 415, 575, 1745, 1909, 2075, 8027, 8725, 9545, 28967, 40135, 47725, 144835, 200675, 666241, 724175, 3331205, 16656025]

約数ペア:

[(1, 16656025), (5, 3331205), (23, 724175), (25, 666241), (83, 200675), (115, 144835), (349, 47725), (415, 40135), (575, 28967), (1745, 9545), (1909, 8725), (2075, 8027)]