25686025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 33480000

約数和(自身を除く): 7793975

約数列:

[1, 5, 25, 29, 71, 145, 355, 499, 725, 1775, 2059, 2495, 10295, 12475, 14471, 35429, 51475, 72355, 177145, 361775, 885725, 1027441, 5137205, 25686025]

約数ペア:

[(1, 25686025), (5, 5137205), (25, 1027441), (29, 885725), (71, 361775), (145, 177145), (355, 72355), (499, 51475), (725, 35429), (1775, 14471), (2059, 12475), (2495, 10295)]