2855080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 6483240

約数和(自身を除く): 3628160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 521, 548, 685, 1042, 1096, 1370, 2084, 2605, 2740, 4168, 5210, 5480, 10420, 20840, 71377, 142754, 285508, 356885, 571016, 713770, 1427540, 2855080]

約数ペア:

[(1, 2855080), (2, 1427540), (4, 713770), (5, 571016), (8, 356885), (10, 285508), (20, 142754), (40, 71377), (137, 20840), (274, 10420), (521, 5480), (548, 5210), (685, 4168), (1042, 2740), (1096, 2605), (1370, 2084)]