80457080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182857}}^1$

素因数の和:182879

約数の個数: 32

約数和(自身を含む): 197486640

約数和(自身を除く): 117029560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 182857, 365714, 731428, 914285, 1462856, 1828570, 2011427, 3657140, 4022854, 7314280, 8045708, 10057135, 16091416, 20114270, 40228540, 80457080]

約数ペア:

[(1, 80457080), (2, 40228540), (4, 20114270), (5, 16091416), (8, 10057135), (10, 8045708), (11, 7314280), (20, 4022854), (22, 3657140), (40, 2011427), (44, 1828570), (55, 1462856), (88, 914285), (110, 731428), (220, 365714), (440, 182857)]