11128940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10499}}^1$

素因数の和:10561

約数の個数: 24

約数和(自身を含む): 23814000

約数和(自身を除く): 12685060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 10499, 20998, 41996, 52495, 104990, 209980, 556447, 1112894, 2225788, 2782235, 5564470, 11128940]

約数ペア:

[(1, 11128940), (2, 5564470), (4, 2782235), (5, 2225788), (10, 1112894), (20, 556447), (53, 209980), (106, 104990), (212, 52495), (265, 41996), (530, 20998), (1060, 10499)]