90128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 20

約数和(自身を含む): 180048

約数和(自身を除く): 89920

約数列:

[1, 2, 4, 8, 16, 43, 86, 131, 172, 262, 344, 524, 688, 1048, 2096, 5633, 11266, 22532, 45064, 90128]

約数ペア:

[(1, 90128), (2, 45064), (4, 22532), (8, 11266), (16, 5633), (43, 2096), (86, 1048), (131, 688), (172, 524), (262, 344)]