28524190

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20521}}^1$

素因数の和:20667

約数の個数: 16

約数和(自身を含む): 51715440

約数和(自身を除く): 23191250

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20521, 41042, 102605, 205210, 2852419, 5704838, 14262095, 28524190]

約数ペア:

[(1, 28524190), (2, 14262095), (5, 5704838), (10, 2852419), (139, 205210), (278, 102605), (695, 41042), (1390, 20521)]