28525510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16879}}^1$

素因数の和:16912

約数の個数: 24

約数和(自身を含む): 55602720

約数和(自身を除く): 27077210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16879, 33758, 84395, 168790, 219427, 438854, 1097135, 2194270, 2852551, 5705102, 14262755, 28525510]

約数ペア:

[(1, 28525510), (2, 14262755), (5, 5705102), (10, 2852551), (13, 2194270), (26, 1097135), (65, 438854), (130, 219427), (169, 168790), (338, 84395), (845, 33758), (1690, 16879)]