11628920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6761}}^1$

素因数の和:6815

約数の個数: 32

約数和(自身を含む): 26777520

約数和(自身を除く): 15148600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6761, 13522, 27044, 33805, 54088, 67610, 135220, 270440, 290723, 581446, 1162892, 1453615, 2325784, 2907230, 5814460, 11628920]

約数ペア:

[(1, 11628920), (2, 5814460), (4, 2907230), (5, 2325784), (8, 1453615), (10, 1162892), (20, 581446), (40, 290723), (43, 270440), (86, 135220), (172, 67610), (215, 54088), (344, 33805), (430, 27044), (860, 13522), (1720, 6761)]