68487340

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8803}}^1$

素因数の和:9201

約数の個数: 24

約数和(自身を含む): 144209520

約数和(自身を除く): 75722180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 8803, 17606, 35212, 44015, 88030, 176060, 3424367, 6848734, 13697468, 17121835, 34243670, 68487340]

約数ペア:

[(1, 68487340), (2, 34243670), (4, 17121835), (5, 13697468), (10, 6848734), (20, 3424367), (389, 176060), (778, 88030), (1556, 44015), (1945, 35212), (3890, 17606), (7780, 8803)]