2009120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 4921560

約数和(自身を除く): 2912440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 433, 464, 580, 866, 928, 1160, 1732, 2165, 2320, 3464, 4330, 4640, 6928, 8660, 12557, 13856, 17320, 25114, 34640, 50228, 62785, 69280, 100456, 125570, 200912, 251140, 401824, 502280, 1004560, 2009120]

約数ペア:

[(1, 2009120), (2, 1004560), (4, 502280), (5, 401824), (8, 251140), (10, 200912), (16, 125570), (20, 100456), (29, 69280), (32, 62785), (40, 50228), (58, 34640), (80, 25114), (116, 17320), (145, 13856), (160, 12557), (232, 8660), (290, 6928), (433, 4640), (464, 4330), (580, 3464), (866, 2320), (928, 2165), (1160, 1732)]