25857130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198901}}^1$

素因数の和:198921

約数の個数: 16

約数和(自身を含む): 50123304

約数和(自身を除く): 24266174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 198901, 397802, 994505, 1989010, 2585713, 5171426, 12928565, 25857130]

約数ペア:

[(1, 25857130), (2, 12928565), (5, 5171426), (10, 2585713), (13, 1989010), (26, 994505), (65, 397802), (130, 198901)]