40219520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 109058400

約数和(自身を除く): 68838880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 197, 220, 232, 290, 319, 320, 352, 394, 440, 464, 580, 638, 640, 704, 788, 880, 928, 985, 1160, 1276, 1408, 1576, 1595, 1760, 1856, 1970, 2167, 2320, 2552, 3152, 3190, 3520, 3712, 3940, 4334, 4640, 5104, 5713, 6304, 6380, 7040, 7880, 8668, 9280, 10208, 10835, 11426, 12608, 12760, 15760, 17336, 18560, 20416, 21670, 22852, 25216, 25520, 28565, 31520, 34672, 40832, 43340, 45704, 51040, 57130, 62843, 63040, 69344, 86680, 91408, 102080, 114260, 125686, 126080, 138688, 173360, 182816, 204160, 228520, 251372, 277376, 314215, 346720, 365632, 457040, 502744, 628430, 693440, 731264, 914080, 1005488, 1256860, 1386880, 1828160, 2010976, 2513720, 3656320, 4021952, 5027440, 8043904, 10054880, 20109760, 40219520]

約数ペア:

[(1, 40219520), (2, 20109760), (4, 10054880), (5, 8043904), (8, 5027440), (10, 4021952), (11, 3656320), (16, 2513720), (20, 2010976), (22, 1828160), (29, 1386880), (32, 1256860), (40, 1005488), (44, 914080), (55, 731264), (58, 693440), (64, 628430), (80, 502744), (88, 457040), (110, 365632), (116, 346720), (128, 314215), (145, 277376), (160, 251372), (176, 228520), (197, 204160), (220, 182816), (232, 173360), (290, 138688), (319, 126080), (320, 125686), (352, 114260), (394, 102080), (440, 91408), (464, 86680), (580, 69344), (638, 63040), (640, 62843), (704, 57130), (788, 51040), (880, 45704), (928, 43340), (985, 40832), (1160, 34672), (1276, 31520), (1408, 28565), (1576, 25520), (1595, 25216), (1760, 22852), (1856, 21670), (1970, 20416), (2167, 18560), (2320, 17336), (2552, 15760), (3152, 12760), (3190, 12608), (3520, 11426), (3712, 10835), (3940, 10208), (4334, 9280), (4640, 8668), (5104, 7880), (5713, 7040), (6304, 6380)]