28211575040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2003663}}^1$

素因数の和:2003695

約数の個数: 72

約数和(自身を含む): 73718805888

約数和(自身を除く): 45507230848

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, 2816, 3520, 7040, 14080, 2003663, 4007326, 8014652, 10018315, 16029304, 20036630, 22040293, 32058608, 40073260, 44080586, 64117216, 80146520, 88161172, 110201465, 128234432, 160293040, 176322344, 220402930, 256468864, 320586080, 352644688, 440805860, 512937728, 641172160, 705289376, 881611720, 1282344320, 1410578752, 1763223440, 2564688640, 2821157504, 3526446880, 5642315008, 7052893760, 14105787520, 28211575040]

約数ペア:

[(1, 28211575040), (2, 14105787520), (4, 7052893760), (5, 5642315008), (8, 3526446880), (10, 2821157504), (11, 2564688640), (16, 1763223440), (20, 1410578752), (22, 1282344320), (32, 881611720), (40, 705289376), (44, 641172160), (55, 512937728), (64, 440805860), (80, 352644688), (88, 320586080), (110, 256468864), (128, 220402930), (160, 176322344), (176, 160293040), (220, 128234432), (256, 110201465), (320, 88161172), (352, 80146520), (440, 64117216), (640, 44080586), (704, 40073260), (880, 32058608), (1280, 22040293), (1408, 20036630), (1760, 16029304), (2816, 10018315), (3520, 8014652), (7040, 4007326), (14080, 2003663)]