25991780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30223}}^1$

素因数の和:30275

約数の個数: 24

約数和(自身を含む): 55853952

約数和(自身を除く): 29862172

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 30223, 60446, 120892, 151115, 302230, 604460, 1299589, 2599178, 5198356, 6497945, 12995890, 25991780]

約数ペア:

[(1, 25991780), (2, 12995890), (4, 6497945), (5, 5198356), (10, 2599178), (20, 1299589), (43, 604460), (86, 302230), (172, 151115), (215, 120892), (430, 60446), (860, 30223)]