8581214660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1\times {\mathrm{4201}}^1$

素因数の和:5256

約数の個数: 48

約数和(自身を含む): 18209619120

約数和(自身を除く): 9628404460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 937, 1090, 1874, 2180, 3748, 4201, 4685, 8402, 9370, 16804, 18740, 21005, 42010, 84020, 102133, 204266, 408532, 457909, 510665, 915818, 1021330, 1831636, 2042660, 2289545, 3936337, 4579090, 7872674, 9158180, 15745348, 19681685, 39363370, 78726740, 429060733, 858121466, 1716242932, 2145303665, 4290607330, 8581214660]

約数ペア:

[(1, 8581214660), (2, 4290607330), (4, 2145303665), (5, 1716242932), (10, 858121466), (20, 429060733), (109, 78726740), (218, 39363370), (436, 19681685), (545, 15745348), (937, 9158180), (1090, 7872674), (1874, 4579090), (2180, 3936337), (3748, 2289545), (4201, 2042660), (4685, 1831636), (8402, 1021330), (9370, 915818), (16804, 510665), (18740, 457909), (21005, 408532), (42010, 204266), (84020, 102133)]