26921380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13877}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 57121848

約数和(自身を除く): 30200468

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13877, 27754, 55508, 69385, 138770, 277540, 1346069, 2692138, 5384276, 6730345, 13460690, 26921380]

約数ペア:

[(1, 26921380), (2, 13460690), (4, 6730345), (5, 5384276), (10, 2692138), (20, 1346069), (97, 277540), (194, 138770), (388, 69385), (485, 55508), (970, 27754), (1940, 13877)]