25739260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11807}}^1$

素因数の和:11925

約数の個数: 24

約数和(自身を含む): 54552960

約数和(自身を除く): 28813700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11807, 23614, 47228, 59035, 118070, 236140, 1286963, 2573926, 5147852, 6434815, 12869630, 25739260]

約数ペア:

[(1, 25739260), (2, 12869630), (4, 6434815), (5, 5147852), (10, 2573926), (20, 1286963), (109, 236140), (218, 118070), (436, 59035), (545, 47228), (1090, 23614), (2180, 11807)]