28052540

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1249}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 59010000

約数和(自身を除く): 30957460

約数列:

[1, 2, 4, 5, 10, 20, 1123, 1249, 2246, 2498, 4492, 4996, 5615, 6245, 11230, 12490, 22460, 24980, 1402627, 2805254, 5610508, 7013135, 14026270, 28052540]

約数ペア:

[(1, 28052540), (2, 14026270), (4, 7013135), (5, 5610508), (10, 2805254), (20, 1402627), (1123, 24980), (1249, 22460), (2246, 12490), (2498, 11230), (4492, 6245), (4996, 5615)]