25296820

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1153}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 53217864

約数和(自身を除く): 27921044

約数列:

[1, 2, 4, 5, 10, 20, 1097, 1153, 2194, 2306, 4388, 4612, 5485, 5765, 10970, 11530, 21940, 23060, 1264841, 2529682, 5059364, 6324205, 12648410, 25296820]

約数ペア:

[(1, 25296820), (2, 12648410), (4, 6324205), (5, 5059364), (10, 2529682), (20, 1264841), (1097, 23060), (1153, 21940), (2194, 11530), (2306, 10970), (4388, 5765), (4612, 5485)]