105787880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1987}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 261938880

約数和(自身を除く): 156151000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 1987, 2420, 2662, 3974, 4840, 5324, 6655, 7948, 9935, 10648, 13310, 15896, 19870, 21857, 26620, 39740, 43714, 53240, 79480, 87428, 109285, 174856, 218570, 240427, 437140, 480854, 874280, 961708, 1202135, 1923416, 2404270, 2644697, 4808540, 5289394, 9617080, 10578788, 13223485, 21157576, 26446970, 52893940, 105787880]

約数ペア:

[(1, 105787880), (2, 52893940), (4, 26446970), (5, 21157576), (8, 13223485), (10, 10578788), (11, 9617080), (20, 5289394), (22, 4808540), (40, 2644697), (44, 2404270), (55, 1923416), (88, 1202135), (110, 961708), (121, 874280), (220, 480854), (242, 437140), (440, 240427), (484, 218570), (605, 174856), (968, 109285), (1210, 87428), (1331, 79480), (1987, 53240), (2420, 43714), (2662, 39740), (3974, 26620), (4840, 21857), (5324, 19870), (6655, 15896), (7948, 13310), (9935, 10648)]