25354520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14741}}^1$

素因数の和:14795

約数の個数: 32

約数和(自身を含む): 58378320

約数和(自身を除く): 33023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14741, 29482, 58964, 73705, 117928, 147410, 294820, 589640, 633863, 1267726, 2535452, 3169315, 5070904, 6338630, 12677260, 25354520]

約数ペア:

[(1, 25354520), (2, 12677260), (4, 6338630), (5, 5070904), (8, 3169315), (10, 2535452), (20, 1267726), (40, 633863), (43, 589640), (86, 294820), (172, 147410), (215, 117928), (344, 73705), (430, 58964), (860, 29482), (1720, 14741)]