90426580

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4481}}^1$

素因数の和:5499

約数の個数: 24

約数和(自身を含む): 190126440

約数和(自身を除く): 99699860

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 4481, 5045, 8962, 10090, 17924, 20180, 22405, 44810, 89620, 4521329, 9042658, 18085316, 22606645, 45213290, 90426580]

約数ペア:

[(1, 90426580), (2, 45213290), (4, 22606645), (5, 18085316), (10, 9042658), (20, 4521329), (1009, 89620), (2018, 44810), (4036, 22405), (4481, 20180), (5045, 17924), (8962, 10090)]