55487540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25453}}^1$

素因数の和:25571

約数の個数: 24

約数和(自身を含む): 117597480

約数和(自身を除く): 62109940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25453, 50906, 101812, 127265, 254530, 509060, 2774377, 5548754, 11097508, 13871885, 27743770, 55487540]

約数ペア:

[(1, 55487540), (2, 27743770), (4, 13871885), (5, 11097508), (10, 5548754), (20, 2774377), (109, 509060), (218, 254530), (436, 127265), (545, 101812), (1090, 50906), (2180, 25453)]