16665580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12437}}^1$

素因数の和:12513

約数の個数: 24

約数和(自身を含む): 35522928

約数和(自身を除く): 18857348

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 12437, 24874, 49748, 62185, 124370, 248740, 833279, 1666558, 3333116, 4166395, 8332790, 16665580]

約数ペア:

[(1, 16665580), (2, 8332790), (4, 4166395), (5, 3333116), (10, 1666558), (20, 833279), (67, 248740), (134, 124370), (268, 62185), (335, 49748), (670, 24874), (1340, 12437)]