22690840

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1607}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 51230880

約数和(自身を除く): 28540040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1607, 1765, 2824, 3214, 3530, 6428, 7060, 8035, 12856, 14120, 16070, 32140, 64280, 567271, 1134542, 2269084, 2836355, 4538168, 5672710, 11345420, 22690840]

約数ペア:

[(1, 22690840), (2, 11345420), (4, 5672710), (5, 4538168), (8, 2836355), (10, 2269084), (20, 1134542), (40, 567271), (353, 64280), (706, 32140), (1412, 16070), (1607, 14120), (1765, 12856), (2824, 8035), (3214, 7060), (3530, 6428)]