28395080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101411}}^1$

素因数の和:101429

約数の個数: 32

約数和(自身を含む): 73016640

約数和(自身を除く): 44621560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101411, 202822, 405644, 507055, 709877, 811288, 1014110, 1419754, 2028220, 2839508, 3549385, 4056440, 5679016, 7098770, 14197540, 28395080]

約数ペア:

[(1, 28395080), (2, 14197540), (4, 7098770), (5, 5679016), (7, 4056440), (8, 3549385), (10, 2839508), (14, 2028220), (20, 1419754), (28, 1014110), (35, 811288), (40, 709877), (56, 507055), (70, 405644), (140, 202822), (280, 101411)]