40256428

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{5443}}^1$

素因数の和:5533

約数の個数: 18

約数和(自身を含む): 72138444

約数和(自身を除く): 31882016

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 5443, 7396, 10886, 21772, 234049, 468098, 936196, 10064107, 20128214, 40256428]

約数ペア:

[(1, 40256428), (2, 20128214), (4, 10064107), (43, 936196), (86, 468098), (172, 234049), (1849, 21772), (3698, 10886), (5443, 7396)]