200865590

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{20147}}^1$

素因数の和:21151

約数の個数: 16

約数和(自身を含む): 361938672

約数和(自身を除く): 161073082

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 20147, 40294, 100735, 201470, 20086559, 40173118, 100432795, 200865590]

約数ペア:

[(1, 200865590), (2, 100432795), (5, 40173118), (10, 20086559), (997, 201470), (1994, 100735), (4985, 40294), (9970, 20147)]