28877540

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1487}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 60746112

約数和(自身を除く): 31868572

約数列:

[1, 2, 4, 5, 10, 20, 971, 1487, 1942, 2974, 3884, 4855, 5948, 7435, 9710, 14870, 19420, 29740, 1443877, 2887754, 5775508, 7219385, 14438770, 28877540]

約数ペア:

[(1, 28877540), (2, 14438770), (4, 7219385), (5, 5775508), (10, 2887754), (20, 1443877), (971, 29740), (1487, 19420), (1942, 14870), (2974, 9710), (3884, 7435), (4855, 5948)]