20812105600

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{45481}}^1$

素因数の和:45529

約数の個数: 192

約数和(自身を含む): 60401915280

約数和(自身を除く): 39589809680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 64, 65, 80, 88, 100, 104, 110, 128, 130, 143, 160, 176, 200, 208, 220, 260, 275, 286, 320, 325, 352, 400, 416, 440, 520, 550, 572, 640, 650, 704, 715, 800, 832, 880, 1040, 1100, 1144, 1300, 1408, 1430, 1600, 1664, 1760, 2080, 2200, 2288, 2600, 2860, 3200, 3520, 3575, 4160, 4400, 4576, 5200, 5720, 7040, 7150, 8320, 8800, 9152, 10400, 11440, 14300, 17600, 18304, 20800, 22880, 28600, 35200, 41600, 45481, 45760, 57200, 90962, 91520, 114400, 181924, 227405, 228800, 363848, 454810, 457600, 500291, 591253, 727696, 909620, 1000582, 1137025, 1182506, 1455392, 1819240, 2001164, 2274050, 2365012, 2501455, 2910784, 2956265, 3638480, 4002328, 4548100, 4730024, 5002910, 5821568, 5912530, 6503783, 7276960, 8004656, 9096200, 9460048, 10005820, 11825060, 12507275, 13007566, 14553920, 14781325, 16009312, 18192400, 18920096, 20011640, 23650120, 25014550, 26015132, 29107840, 29562650, 32018624, 32518915, 36384800, 37840192, 40023280, 47300240, 50029100, 52030264, 59125300, 64037248, 65037830, 72769600, 75680384, 80046560, 94600480, 100058200, 104060528, 118250600, 130075660, 145539200, 160093120, 162594575, 189200960, 200116400, 208121056, 236501200, 260151320, 320186240, 325189150, 378401920, 400232800, 416242112, 473002400, 520302640, 650378300, 800465600, 832484224, 946004800, 1040605280, 1300756600, 1600931200, 1892009600, 2081210560, 2601513200, 4162421120, 5203026400, 10406052800, 20812105600]

約数ペア:

[(1, 20812105600), (2, 10406052800), (4, 5203026400), (5, 4162421120), (8, 2601513200), (10, 2081210560), (11, 1892009600), (13, 1600931200), (16, 1300756600), (20, 1040605280), (22, 946004800), (25, 832484224), (26, 800465600), (32, 650378300), (40, 520302640), (44, 473002400), (50, 416242112), (52, 400232800), (55, 378401920), (64, 325189150), (65, 320186240), (80, 260151320), (88, 236501200), (100, 208121056), (104, 200116400), (110, 189200960), (128, 162594575), (130, 160093120), (143, 145539200), (160, 130075660), (176, 118250600), (200, 104060528), (208, 100058200), (220, 94600480), (260, 80046560), (275, 75680384), (286, 72769600), (320, 65037830), (325, 64037248), (352, 59125300), (400, 52030264), (416, 50029100), (440, 47300240), (520, 40023280), (550, 37840192), (572, 36384800), (640, 32518915), (650, 32018624), (704, 29562650), (715, 29107840), (800, 26015132), (832, 25014550), (880, 23650120), (1040, 20011640), (1100, 18920096), (1144, 18192400), (1300, 16009312), (1408, 14781325), (1430, 14553920), (1600, 13007566), (1664, 12507275), (1760, 11825060), (2080, 10005820), (2200, 9460048), (2288, 9096200), (2600, 8004656), (2860, 7276960), (3200, 6503783), (3520, 5912530), (3575, 5821568), (4160, 5002910), (4400, 4730024), (4576, 4548100), (5200, 4002328), (5720, 3638480), (7040, 2956265), (7150, 2910784), (8320, 2501455), (8800, 2365012), (9152, 2274050), (10400, 2001164), (11440, 1819240), (14300, 1455392), (17600, 1182506), (18304, 1137025), (20800, 1000582), (22880, 909620), (28600, 727696), (35200, 591253), (41600, 500291), (45481, 457600), (45760, 454810), (57200, 363848), (90962, 228800), (91520, 227405), (114400, 181924)]