40551820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20903}}^1$

素因数の和:21009

約数の個数: 24

約数和(自身を含む): 86040864

約数和(自身を除く): 45489044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20903, 41806, 83612, 104515, 209030, 418060, 2027591, 4055182, 8110364, 10137955, 20275910, 40551820]

約数ペア:

[(1, 40551820), (2, 20275910), (4, 10137955), (5, 8110364), (10, 4055182), (20, 2027591), (97, 418060), (194, 209030), (388, 104515), (485, 83612), (970, 41806), (1940, 20903)]