131921680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149911}}^1$

素因数の和:149935

約数の個数: 40

約数和(自身を含む): 334603584

約数和(自身を除く): 202681904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 149911, 299822, 599644, 749555, 1199288, 1499110, 1649021, 2398576, 2998220, 3298042, 5996440, 6596084, 8245105, 11992880, 13192168, 16490210, 26384336, 32980420, 65960840, 131921680]

約数ペア:

[(1, 131921680), (2, 65960840), (4, 32980420), (5, 26384336), (8, 16490210), (10, 13192168), (11, 11992880), (16, 8245105), (20, 6596084), (22, 5996440), (40, 3298042), (44, 2998220), (55, 2398576), (80, 1649021), (88, 1499110), (110, 1199288), (176, 749555), (220, 599644), (440, 299822), (880, 149911)]