200208980

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{6899}}^1$

素因数の和:8359

約数の個数: 24

約数和(自身を含む): 420789600

約数和(自身を除く): 220580620

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 5804, 6899, 7255, 13798, 14510, 27596, 29020, 34495, 68990, 137980, 10010449, 20020898, 40041796, 50052245, 100104490, 200208980]

約数ペア:

[(1, 200208980), (2, 100104490), (4, 50052245), (5, 40041796), (10, 20020898), (20, 10010449), (1451, 137980), (2902, 68990), (5804, 34495), (6899, 29020), (7255, 27596), (13798, 14510)]