801680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 2035584

約数和(自身を除く): 1233904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 911, 1822, 3644, 4555, 7288, 9110, 10021, 14576, 18220, 20042, 36440, 40084, 50105, 72880, 80168, 100210, 160336, 200420, 400840, 801680]

約数ペア:

[(1, 801680), (2, 400840), (4, 200420), (5, 160336), (8, 100210), (10, 80168), (11, 72880), (16, 50105), (20, 40084), (22, 36440), (40, 20042), (44, 18220), (55, 14576), (80, 10021), (88, 9110), (110, 7288), (176, 4555), (220, 3644), (440, 1822), (880, 911)]