38819260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17807}}^1$

素因数の和:17925

約数の個数: 24

約数和(自身を含む): 82272960

約数和(自身を除く): 43453700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17807, 35614, 71228, 89035, 178070, 356140, 1940963, 3881926, 7763852, 9704815, 19409630, 38819260]

約数ペア:

[(1, 38819260), (2, 19409630), (4, 9704815), (5, 7763852), (10, 3881926), (20, 1940963), (109, 356140), (218, 178070), (436, 89035), (545, 71228), (1090, 35614), (2180, 17807)]