51407540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135283}}^1$

素因数の和:135311

約数の個数: 24

約数和(自身を含む): 113638560

約数和(自身を除く): 62231020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 135283, 270566, 541132, 676415, 1352830, 2570377, 2705660, 5140754, 10281508, 12851885, 25703770, 51407540]

約数ペア:

[(1, 51407540), (2, 25703770), (4, 12851885), (5, 10281508), (10, 5140754), (19, 2705660), (20, 2570377), (38, 1352830), (76, 676415), (95, 541132), (190, 270566), (380, 135283)]