201685480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117259}}^1$

素因数の和:117313

約数の個数: 32

約数和(自身を含む): 464349600

約数和(自身を除く): 262664120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117259, 234518, 469036, 586295, 938072, 1172590, 2345180, 4690360, 5042137, 10084274, 20168548, 25210685, 40337096, 50421370, 100842740, 201685480]

約数ペア:

[(1, 201685480), (2, 100842740), (4, 50421370), (5, 40337096), (8, 25210685), (10, 20168548), (20, 10084274), (40, 5042137), (43, 4690360), (86, 2345180), (172, 1172590), (215, 938072), (344, 586295), (430, 469036), (860, 234518), (1720, 117259)]