28966820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5507}}^1$

素因数の和:5779

約数の個数: 24

約数和(自身を含む): 61072704

約数和(自身を除く): 32105884

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5507, 11014, 22028, 27535, 55070, 110140, 1448341, 2896682, 5793364, 7241705, 14483410, 28966820]

約数ペア:

[(1, 28966820), (2, 14483410), (4, 7241705), (5, 5793364), (10, 2896682), (20, 1448341), (263, 110140), (526, 55070), (1052, 27535), (1315, 22028), (2630, 11014), (5260, 5507)]