2690840

素因数分解:

$2^3\times 5^1\times {\mathrm{67271}}^1$

素因数の和:67282

約数の個数: 16

約数和(自身を含む): 6054480

約数和(自身を除く): 3363640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67271, 134542, 269084, 336355, 538168, 672710, 1345420, 2690840]

約数ペア:

[(1, 2690840), (2, 1345420), (4, 672710), (5, 538168), (8, 336355), (10, 269084), (20, 134542), (40, 67271)]