56438800

素因数分解:

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

素因数の和:257

約数の個数: 120

約数和(自身を含む): 150561792

約数和(自身を除く): 94122992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 101, 110, 127, 176, 200, 202, 220, 254, 275, 400, 404, 440, 505, 508, 550, 635, 808, 880, 1010, 1016, 1100, 1111, 1270, 1397, 1616, 2020, 2032, 2200, 2222, 2525, 2540, 2794, 3175, 4040, 4400, 4444, 5050, 5080, 5555, 5588, 6350, 6985, 8080, 8888, 10100, 10160, 11110, 11176, 12700, 12827, 13970, 17776, 20200, 22220, 22352, 25400, 25654, 27775, 27940, 34925, 40400, 44440, 50800, 51308, 55550, 55880, 64135, 69850, 88880, 102616, 111100, 111760, 128270, 139700, 141097, 205232, 222200, 256540, 279400, 282194, 320675, 444400, 513080, 558800, 564388, 641350, 705485, 1026160, 1128776, 1282700, 1410970, 2257552, 2565400, 2821940, 3527425, 5130800, 5643880, 7054850, 11287760, 14109700, 28219400, 56438800]

約数ペア:

[(1, 56438800), (2, 28219400), (4, 14109700), (5, 11287760), (8, 7054850), (10, 5643880), (11, 5130800), (16, 3527425), (20, 2821940), (22, 2565400), (25, 2257552), (40, 1410970), (44, 1282700), (50, 1128776), (55, 1026160), (80, 705485), (88, 641350), (100, 564388), (101, 558800), (110, 513080), (127, 444400), (176, 320675), (200, 282194), (202, 279400), (220, 256540), (254, 222200), (275, 205232), (400, 141097), (404, 139700), (440, 128270), (505, 111760), (508, 111100), (550, 102616), (635, 88880), (808, 69850), (880, 64135), (1010, 55880), (1016, 55550), (1100, 51308), (1111, 50800), (1270, 44440), (1397, 40400), (1616, 34925), (2020, 27940), (2032, 27775), (2200, 25654), (2222, 25400), (2525, 22352), (2540, 22220), (2794, 20200), (3175, 17776), (4040, 13970), (4400, 12827), (4444, 12700), (5050, 11176), (5080, 11110), (5555, 10160), (5588, 10100), (6350, 8888), (6985, 8080)]