54890840

素因数分解:

$2^3\times 5^1\times {\mathrm{1372271}}^1$

素因数の和:1372282

約数の個数: 16

約数和(自身を含む): 123504480

約数和(自身を除く): 68613640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1372271, 2744542, 5489084, 6861355, 10978168, 13722710, 27445420, 54890840]

約数ペア:

[(1, 54890840), (2, 27445420), (4, 13722710), (5, 10978168), (8, 6861355), (10, 5489084), (20, 2744542), (40, 1372271)]