28133028880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31969351}}^1$

素因数の和:31969375

約数の個数: 40

約数和(自身を含む): 71355593664

約数和(自身を除く): 43222564784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31969351, 63938702, 127877404, 159846755, 255754808, 319693510, 351662861, 511509616, 639387020, 703325722, 1278774040, 1406651444, 1758314305, 2557548080, 2813302888, 3516628610, 5626605776, 7033257220, 14066514440, 28133028880]

約数ペア:

[(1, 28133028880), (2, 14066514440), (4, 7033257220), (5, 5626605776), (8, 3516628610), (10, 2813302888), (11, 2557548080), (16, 1758314305), (20, 1406651444), (22, 1278774040), (40, 703325722), (44, 639387020), (55, 511509616), (80, 351662861), (88, 319693510), (110, 255754808), (176, 159846755), (220, 127877404), (440, 63938702), (880, 31969351)]