28568320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 74687760

約数和(自身を除く): 46119440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2029, 2816, 3520, 4058, 7040, 8116, 10145, 14080, 16232, 20290, 22319, 32464, 40580, 44638, 64928, 81160, 89276, 111595, 129856, 162320, 178552, 223190, 259712, 324640, 357104, 446380, 519424, 649280, 714208, 892760, 1298560, 1428416, 1785520, 2597120, 2856832, 3571040, 5713664, 7142080, 14284160, 28568320]

約数ペア:

[(1, 28568320), (2, 14284160), (4, 7142080), (5, 5713664), (8, 3571040), (10, 2856832), (11, 2597120), (16, 1785520), (20, 1428416), (22, 1298560), (32, 892760), (40, 714208), (44, 649280), (55, 519424), (64, 446380), (80, 357104), (88, 324640), (110, 259712), (128, 223190), (160, 178552), (176, 162320), (220, 129856), (256, 111595), (320, 89276), (352, 81160), (440, 64928), (640, 44638), (704, 40580), (880, 32464), (1280, 22319), (1408, 20290), (1760, 16232), (2029, 14080), (2816, 10145), (3520, 8116), (4058, 7040)]