20806003600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^2\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:690

約数の個数: 180

約数和(自身を含む): 52284304384

約数和(自身を除く): 31478300784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 127, 145, 200, 232, 254, 290, 400, 464, 487, 508, 580, 635, 725, 841, 974, 1016, 1160, 1270, 1450, 1682, 1948, 2032, 2320, 2435, 2540, 2900, 3175, 3364, 3683, 3896, 4205, 4870, 5080, 5800, 6350, 6728, 7366, 7792, 8410, 9740, 10160, 11600, 12175, 12700, 13456, 14123, 14732, 16820, 18415, 19480, 21025, 24350, 25400, 28246, 29464, 33640, 36830, 38960, 42050, 48700, 50800, 56492, 58928, 61849, 67280, 70615, 73660, 84100, 92075, 97400, 106807, 112984, 123698, 141230, 147320, 168200, 184150, 194800, 213614, 225968, 247396, 282460, 294640, 309245, 336400, 353075, 368300, 409567, 427228, 494792, 534035, 564920, 618490, 706150, 736600, 819134, 854456, 989584, 1068070, 1129840, 1236980, 1412300, 1473200, 1546225, 1638268, 1708912, 1793621, 2047835, 2136140, 2473960, 2670175, 2824600, 3092450, 3276536, 3587242, 4095670, 4272280, 4947920, 5340350, 5649200, 6184900, 6553072, 7174484, 8191340, 8544560, 8968105, 10239175, 10680700, 12369800, 14348968, 16382680, 17936210, 20478350, 21361400, 24739600, 28697936, 32765360, 35872420, 40956700, 42722800, 44840525, 52015009, 71744840, 81913400, 89681050, 104030018, 143489680, 163826800, 179362100, 208060036, 260075045, 358724200, 416120072, 520150090, 717448400, 832240144, 1040300180, 1300375225, 2080600360, 2600750450, 4161200720, 5201500900, 10403001800, 20806003600]

約数ペア:

[(1, 20806003600), (2, 10403001800), (4, 5201500900), (5, 4161200720), (8, 2600750450), (10, 2080600360), (16, 1300375225), (20, 1040300180), (25, 832240144), (29, 717448400), (40, 520150090), (50, 416120072), (58, 358724200), (80, 260075045), (100, 208060036), (116, 179362100), (127, 163826800), (145, 143489680), (200, 104030018), (232, 89681050), (254, 81913400), (290, 71744840), (400, 52015009), (464, 44840525), (487, 42722800), (508, 40956700), (580, 35872420), (635, 32765360), (725, 28697936), (841, 24739600), (974, 21361400), (1016, 20478350), (1160, 17936210), (1270, 16382680), (1450, 14348968), (1682, 12369800), (1948, 10680700), (2032, 10239175), (2320, 8968105), (2435, 8544560), (2540, 8191340), (2900, 7174484), (3175, 6553072), (3364, 6184900), (3683, 5649200), (3896, 5340350), (4205, 4947920), (4870, 4272280), (5080, 4095670), (5800, 3587242), (6350, 3276536), (6728, 3092450), (7366, 2824600), (7792, 2670175), (8410, 2473960), (9740, 2136140), (10160, 2047835), (11600, 1793621), (12175, 1708912), (12700, 1638268), (13456, 1546225), (14123, 1473200), (14732, 1412300), (16820, 1236980), (18415, 1129840), (19480, 1068070), (21025, 989584), (24350, 854456), (25400, 819134), (28246, 736600), (29464, 706150), (33640, 618490), (36830, 564920), (38960, 534035), (42050, 494792), (48700, 427228), (50800, 409567), (56492, 368300), (58928, 353075), (61849, 336400), (67280, 309245), (70615, 294640), (73660, 282460), (84100, 247396), (92075, 225968), (97400, 213614), (106807, 194800), (112984, 184150), (123698, 168200), (141230, 147320)]