127780321825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1597}}^1\times {\mathrm{246193}}^1$

素因数の和:247813

約数の個数: 24

約数和(自身を含む): 170743417208

約数和(自身を除く): 42963095383

約数列:

[1, 5, 13, 25, 65, 325, 1597, 7985, 20761, 39925, 103805, 246193, 519025, 1230965, 3200509, 6154825, 16002545, 80012725, 393170221, 1965851105, 5111212873, 9829255525, 25556064365, 127780321825]

約数ペア:

[(1, 127780321825), (5, 25556064365), (13, 9829255525), (25, 5111212873), (65, 1965851105), (325, 393170221), (1597, 80012725), (7985, 16002545), (20761, 6154825), (39925, 3200509), (103805, 1230965), (246193, 519025)]