11287760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 29140992

約数和(自身を除く): 17853232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 127, 176, 202, 220, 254, 404, 440, 505, 508, 635, 808, 880, 1010, 1016, 1111, 1270, 1397, 1616, 2020, 2032, 2222, 2540, 2794, 4040, 4444, 5080, 5555, 5588, 6985, 8080, 8888, 10160, 11110, 11176, 12827, 13970, 17776, 22220, 22352, 25654, 27940, 44440, 51308, 55880, 64135, 88880, 102616, 111760, 128270, 141097, 205232, 256540, 282194, 513080, 564388, 705485, 1026160, 1128776, 1410970, 2257552, 2821940, 5643880, 11287760]

約数ペア:

[(1, 11287760), (2, 5643880), (4, 2821940), (5, 2257552), (8, 1410970), (10, 1128776), (11, 1026160), (16, 705485), (20, 564388), (22, 513080), (40, 282194), (44, 256540), (55, 205232), (80, 141097), (88, 128270), (101, 111760), (110, 102616), (127, 88880), (176, 64135), (202, 55880), (220, 51308), (254, 44440), (404, 27940), (440, 25654), (505, 22352), (508, 22220), (635, 17776), (808, 13970), (880, 12827), (1010, 11176), (1016, 11110), (1111, 10160), (1270, 8888), (1397, 8080), (1616, 6985), (2020, 5588), (2032, 5555), (2222, 5080), (2540, 4444), (2794, 4040)]