200750260

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20443}}^1$

素因数の和:20943

約数の個数: 24

約数和(自身を含む): 422454816

約数和(自身を除く): 221704556

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20443, 40886, 81772, 102215, 204430, 408860, 10037513, 20075026, 40150052, 50187565, 100375130, 200750260]

約数ペア:

[(1, 200750260), (2, 100375130), (4, 50187565), (5, 40150052), (10, 20075026), (20, 10037513), (491, 408860), (982, 204430), (1964, 102215), (2455, 81772), (4910, 40886), (9820, 20443)]