28961680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32911}}^1$

素因数の和:32935

約数の個数: 40

約数和(自身を含む): 73459584

約数和(自身を除く): 44497904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32911, 65822, 131644, 164555, 263288, 329110, 362021, 526576, 658220, 724042, 1316440, 1448084, 1810105, 2632880, 2896168, 3620210, 5792336, 7240420, 14480840, 28961680]

約数ペア:

[(1, 28961680), (2, 14480840), (4, 7240420), (5, 5792336), (8, 3620210), (10, 2896168), (11, 2632880), (16, 1810105), (20, 1448084), (22, 1316440), (40, 724042), (44, 658220), (55, 526576), (80, 362021), (88, 329110), (110, 263288), (176, 164555), (220, 131644), (440, 65822), (880, 32911)]