8920806400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 264

約数和(自身を含む): 24489325440

約数和(自身を除く): 15568519040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 79, 80, 88, 100, 110, 128, 158, 160, 176, 200, 220, 256, 275, 316, 320, 352, 395, 400, 401, 440, 512, 550, 632, 640, 704, 790, 800, 802, 869, 880, 1024, 1100, 1264, 1280, 1408, 1580, 1600, 1604, 1738, 1760, 1975, 2005, 2200, 2528, 2560, 2816, 3160, 3200, 3208, 3476, 3520, 3950, 4010, 4345, 4400, 4411, 5056, 5120, 5632, 6320, 6400, 6416, 6952, 7040, 7900, 8020, 8690, 8800, 8822, 10025, 10112, 11264, 12640, 12800, 12832, 13904, 14080, 15800, 16040, 17380, 17600, 17644, 20050, 20224, 21725, 22055, 25280, 25600, 25664, 27808, 28160, 31600, 31679, 32080, 34760, 35200, 35288, 40100, 40448, 43450, 44110, 50560, 51328, 55616, 56320, 63200, 63358, 64160, 69520, 70400, 70576, 80200, 80896, 86900, 88220, 101120, 102656, 110275, 111232, 126400, 126716, 128320, 139040, 140800, 141152, 158395, 160400, 173800, 176440, 202240, 205312, 220550, 222464, 252800, 253432, 256640, 278080, 281600, 282304, 316790, 320800, 347600, 348469, 352880, 404480, 410624, 441100, 444928, 505600, 506864, 513280, 556160, 564608, 633580, 641600, 695200, 696938, 705760, 791975, 882200, 889856, 1011200, 1013728, 1026560, 1112320, 1129216, 1267160, 1283200, 1390400, 1393876, 1411520, 1583950, 1742345, 1764400, 2022400, 2027456, 2053120, 2224640, 2258432, 2534320, 2566400, 2780800, 2787752, 2823040, 3167900, 3484690, 3528800, 4054912, 4449280, 4516864, 5068640, 5132800, 5561600, 5575504, 5646080, 6335800, 6969380, 7057600, 8109824, 8711725, 10137280, 10265600, 11123200, 11151008, 11292160, 12671600, 13938760, 14115200, 16219648, 17423450, 20274560, 22246400, 22302016, 22584320, 25343200, 27877520, 28230400, 32439296, 34846900, 40549120, 44604032, 50686400, 55755040, 56460800, 69693800, 81098240, 89208064, 101372800, 111510080, 112921600, 139387600, 162196480, 178416128, 202745600, 223020160, 278775200, 356832256, 405491200, 446040320, 557550400, 810982400, 892080640, 1115100800, 1784161280, 2230201600, 4460403200, 8920806400]

約数ペア:

[(1, 8920806400), (2, 4460403200), (4, 2230201600), (5, 1784161280), (8, 1115100800), (10, 892080640), (11, 810982400), (16, 557550400), (20, 446040320), (22, 405491200), (25, 356832256), (32, 278775200), (40, 223020160), (44, 202745600), (50, 178416128), (55, 162196480), (64, 139387600), (79, 112921600), (80, 111510080), (88, 101372800), (100, 89208064), (110, 81098240), (128, 69693800), (158, 56460800), (160, 55755040), (176, 50686400), (200, 44604032), (220, 40549120), (256, 34846900), (275, 32439296), (316, 28230400), (320, 27877520), (352, 25343200), (395, 22584320), (400, 22302016), (401, 22246400), (440, 20274560), (512, 17423450), (550, 16219648), (632, 14115200), (640, 13938760), (704, 12671600), (790, 11292160), (800, 11151008), (802, 11123200), (869, 10265600), (880, 10137280), (1024, 8711725), (1100, 8109824), (1264, 7057600), (1280, 6969380), (1408, 6335800), (1580, 5646080), (1600, 5575504), (1604, 5561600), (1738, 5132800), (1760, 5068640), (1975, 4516864), (2005, 4449280), (2200, 4054912), (2528, 3528800), (2560, 3484690), (2816, 3167900), (3160, 2823040), (3200, 2787752), (3208, 2780800), (3476, 2566400), (3520, 2534320), (3950, 2258432), (4010, 2224640), (4345, 2053120), (4400, 2027456), (4411, 2022400), (5056, 1764400), (5120, 1742345), (5632, 1583950), (6320, 1411520), (6400, 1393876), (6416, 1390400), (6952, 1283200), (7040, 1267160), (7900, 1129216), (8020, 1112320), (8690, 1026560), (8800, 1013728), (8822, 1011200), (10025, 889856), (10112, 882200), (11264, 791975), (12640, 705760), (12800, 696938), (12832, 695200), (13904, 641600), (14080, 633580), (15800, 564608), (16040, 556160), (17380, 513280), (17600, 506864), (17644, 505600), (20050, 444928), (20224, 441100), (21725, 410624), (22055, 404480), (25280, 352880), (25600, 348469), (25664, 347600), (27808, 320800), (28160, 316790), (31600, 282304), (31679, 281600), (32080, 278080), (34760, 256640), (35200, 253432), (35288, 252800), (40100, 222464), (40448, 220550), (43450, 205312), (44110, 202240), (50560, 176440), (51328, 173800), (55616, 160400), (56320, 158395), (63200, 141152), (63358, 140800), (64160, 139040), (69520, 128320), (70400, 126716), (70576, 126400), (80200, 111232), (80896, 110275), (86900, 102656), (88220, 101120)]