140721680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{159911}}^1$

素因数の和:159935

約数の個数: 40

約数和(自身を含む): 356923584

約数和(自身を除く): 216201904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 159911, 319822, 639644, 799555, 1279288, 1599110, 1759021, 2558576, 3198220, 3518042, 6396440, 7036084, 8795105, 12792880, 14072168, 17590210, 28144336, 35180420, 70360840, 140721680]

約数ペア:

[(1, 140721680), (2, 70360840), (4, 35180420), (5, 28144336), (8, 17590210), (10, 14072168), (11, 12792880), (16, 8795105), (20, 7036084), (22, 6396440), (40, 3518042), (44, 3198220), (55, 2558576), (80, 1759021), (88, 1599110), (110, 1279288), (176, 799555), (220, 639644), (440, 319822), (880, 159911)]