9639320

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1759}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 21859200

約数和(自身を除く): 12219880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1759, 2740, 3518, 5480, 7036, 8795, 14072, 17590, 35180, 70360, 240983, 481966, 963932, 1204915, 1927864, 2409830, 4819660, 9639320]

約数ペア:

[(1, 9639320), (2, 4819660), (4, 2409830), (5, 1927864), (8, 1204915), (10, 963932), (20, 481966), (40, 240983), (137, 70360), (274, 35180), (548, 17590), (685, 14072), (1096, 8795), (1370, 7036), (1759, 5480), (2740, 3518)]