2667725420

素因数分解:

$2^2\times 5^1\times {\mathrm{133386271}}^1$

素因数の和:133386280

約数の個数: 12

約数和(自身を含む): 5602223424

約数和(自身を除く): 2934498004

約数列:

[1, 2, 4, 5, 10, 20, 133386271, 266772542, 533545084, 666931355, 1333862710, 2667725420]

約数ペア:

[(1, 2667725420), (2, 1333862710), (4, 666931355), (5, 533545084), (10, 266772542), (20, 133386271)]