28675580

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1307}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 60319728

約数和(自身を除く): 31644148

約数列:

[1, 2, 4, 5, 10, 20, 1097, 1307, 2194, 2614, 4388, 5228, 5485, 6535, 10970, 13070, 21940, 26140, 1433779, 2867558, 5735116, 7168895, 14337790, 28675580]

約数ペア:

[(1, 28675580), (2, 14337790), (4, 7168895), (5, 5735116), (10, 2867558), (20, 1433779), (1097, 26140), (1307, 21940), (2194, 13070), (2614, 10970), (4388, 6535), (5228, 5485)]