26131225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 33390720

約数和(自身を除く): 7259495

約数列:

[1, 5, 25, 79, 101, 131, 395, 505, 655, 1975, 2525, 3275, 7979, 10349, 13231, 39895, 51745, 66155, 199475, 258725, 330775, 1045249, 5226245, 26131225]

約数ペア:

[(1, 26131225), (5, 5226245), (25, 1045249), (79, 330775), (101, 258725), (131, 199475), (395, 66155), (505, 51745), (655, 39895), (1975, 13231), (2525, 10349), (3275, 7979)]