39765880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12911}}^1$

素因数の和:12940

約数の個数: 64

約数和(自身を含む): 111559680

約数和(自身を除く): 71793800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 12911, 25822, 51644, 64555, 90377, 103288, 129110, 142021, 180754, 258220, 284042, 361508, 451885, 516440, 568084, 710105, 723016, 903770, 994147, 1136168, 1420210, 1807540, 1988294, 2840420, 3615080, 3976588, 4970735, 5680840, 7953176, 9941470, 19882940, 39765880]

約数ペア:

[(1, 39765880), (2, 19882940), (4, 9941470), (5, 7953176), (7, 5680840), (8, 4970735), (10, 3976588), (11, 3615080), (14, 2840420), (20, 1988294), (22, 1807540), (28, 1420210), (35, 1136168), (40, 994147), (44, 903770), (55, 723016), (56, 710105), (70, 568084), (77, 516440), (88, 451885), (110, 361508), (140, 284042), (154, 258220), (220, 180754), (280, 142021), (308, 129110), (385, 103288), (440, 90377), (616, 64555), (770, 51644), (1540, 25822), (3080, 12911)]