99709580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25307}}^1$

素因数の和:25513

約数の個数: 24

約数和(自身を含む): 210461328

約数和(自身を除く): 110751748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 25307, 50614, 101228, 126535, 253070, 506140, 4985479, 9970958, 19941916, 24927395, 49854790, 99709580]

約数ペア:

[(1, 99709580), (2, 49854790), (4, 24927395), (5, 19941916), (10, 9970958), (20, 4985479), (197, 506140), (394, 253070), (788, 126535), (985, 101228), (1970, 50614), (3940, 25307)]