137501680

素因数分解:

$2^4\times 5^1\times {\mathrm{1718771}}^1$

素因数の和:1718784

約数の個数: 20

約数和(自身を含む): 319691592

約数和(自身を除く): 182189912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1718771, 3437542, 6875084, 8593855, 13750168, 17187710, 27500336, 34375420, 68750840, 137501680]

約数ペア:

[(1, 137501680), (2, 68750840), (4, 34375420), (5, 27500336), (8, 17187710), (10, 13750168), (16, 8593855), (20, 6875084), (40, 3437542), (80, 1718771)]