25657165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 7174835

約数列:

[1, 5, 17, 85, 151, 755, 1999, 2567, 9995, 12835, 33983, 169915, 301849, 1509245, 5131433, 25657165]

約数ペア:

[(1, 25657165), (5, 5131433), (17, 1509245), (85, 301849), (151, 169915), (755, 33983), (1999, 12835), (2567, 9995)]