54409640

素因数分解:

$2^3\times 5^1\times {\mathrm{1360241}}^1$

素因数の和:1360252

約数の個数: 16

約数和(自身を含む): 122421780

約数和(自身を除く): 68012140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1360241, 2720482, 5440964, 6801205, 10881928, 13602410, 27204820, 54409640]

約数ペア:

[(1, 54409640), (2, 27204820), (4, 13602410), (5, 10881928), (8, 6801205), (10, 5440964), (20, 2720482), (40, 1360241)]