51440620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33403}}^1$

素因数の和:33430

約数の個数: 48

約数和(自身を含む): 134684928

約数和(自身を除く): 83244308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 33403, 66806, 133612, 167015, 233821, 334030, 367433, 467642, 668060, 734866, 935284, 1169105, 1469732, 1837165, 2338210, 2572031, 3674330, 4676420, 5144062, 7348660, 10288124, 12860155, 25720310, 51440620]

約数ペア:

[(1, 51440620), (2, 25720310), (4, 12860155), (5, 10288124), (7, 7348660), (10, 5144062), (11, 4676420), (14, 3674330), (20, 2572031), (22, 2338210), (28, 1837165), (35, 1469732), (44, 1169105), (55, 935284), (70, 734866), (77, 668060), (110, 467642), (140, 367433), (154, 334030), (220, 233821), (308, 167015), (385, 133612), (770, 66806), (1540, 33403)]