40205284

素因数分解:

$2^2\times 7^2\times {\mathrm{205129}}^1$

素因数の和:205147

約数の個数: 18

約数和(自身を含む): 81846870

約数和(自身を除く): 41641586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 205129, 410258, 820516, 1435903, 2871806, 5743612, 10051321, 20102642, 40205284]

約数ペア:

[(1, 40205284), (2, 20102642), (4, 10051321), (7, 5743612), (14, 2871806), (28, 1435903), (49, 820516), (98, 410258), (196, 205129)]