81483025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 109255160

約数和(自身を除く): 27772135

約数列:

[1, 5, 13, 25, 65, 325, 409, 613, 2045, 3065, 5317, 7969, 10225, 15325, 26585, 39845, 132925, 199225, 250717, 1253585, 3259321, 6267925, 16296605, 81483025]

約数ペア:

[(1, 81483025), (5, 16296605), (13, 6267925), (25, 3259321), (65, 1253585), (325, 250717), (409, 199225), (613, 132925), (2045, 39845), (3065, 26585), (5317, 15325), (7969, 10225)]