66790840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15319}}^1$

素因数の和:15439

約数の個数: 32

約数和(自身を含む): 151668000

約数和(自身を除く): 84877160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15319, 30638, 61276, 76595, 122552, 153190, 306380, 612760, 1669771, 3339542, 6679084, 8348855, 13358168, 16697710, 33395420, 66790840]

約数ペア:

[(1, 66790840), (2, 33395420), (4, 16697710), (5, 13358168), (8, 8348855), (10, 6679084), (20, 3339542), (40, 1669771), (109, 612760), (218, 306380), (436, 153190), (545, 122552), (872, 76595), (1090, 61276), (2180, 30638), (4360, 15319)]