19850689280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6427}}^1$

素因数の和:6594

約数の個数: 144

約数和(自身を含む): 50453114880

約数和(自身を除く): 30602425600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 152, 160, 190, 254, 256, 304, 320, 380, 508, 608, 635, 640, 760, 1016, 1216, 1270, 1280, 1520, 2032, 2413, 2432, 2540, 3040, 4064, 4826, 4864, 5080, 6080, 6427, 8128, 9652, 10160, 12065, 12160, 12854, 16256, 19304, 20320, 24130, 24320, 25708, 32135, 32512, 38608, 40640, 48260, 51416, 64270, 77216, 81280, 96520, 102832, 122113, 128540, 154432, 162560, 193040, 205664, 244226, 257080, 308864, 386080, 411328, 488452, 514160, 610565, 617728, 772160, 816229, 822656, 976904, 1028320, 1221130, 1544320, 1632458, 1645312, 1953808, 2056640, 2442260, 3088640, 3264916, 3907616, 4081145, 4113280, 4884520, 6529832, 7815232, 8162290, 8226560, 9769040, 13059664, 15508351, 15630464, 16324580, 19538080, 26119328, 31016702, 31260928, 32649160, 39076160, 52238656, 62033404, 65298320, 77541755, 78152320, 104477312, 124066808, 130596640, 155083510, 156304640, 208954624, 248133616, 261193280, 310167020, 496267232, 522386560, 620334040, 992534464, 1044773120, 1240668080, 1985068928, 2481336160, 3970137856, 4962672320, 9925344640, 19850689280]

約数ペア:

[(1, 19850689280), (2, 9925344640), (4, 4962672320), (5, 3970137856), (8, 2481336160), (10, 1985068928), (16, 1240668080), (19, 1044773120), (20, 992534464), (32, 620334040), (38, 522386560), (40, 496267232), (64, 310167020), (76, 261193280), (80, 248133616), (95, 208954624), (127, 156304640), (128, 155083510), (152, 130596640), (160, 124066808), (190, 104477312), (254, 78152320), (256, 77541755), (304, 65298320), (320, 62033404), (380, 52238656), (508, 39076160), (608, 32649160), (635, 31260928), (640, 31016702), (760, 26119328), (1016, 19538080), (1216, 16324580), (1270, 15630464), (1280, 15508351), (1520, 13059664), (2032, 9769040), (2413, 8226560), (2432, 8162290), (2540, 7815232), (3040, 6529832), (4064, 4884520), (4826, 4113280), (4864, 4081145), (5080, 3907616), (6080, 3264916), (6427, 3088640), (8128, 2442260), (9652, 2056640), (10160, 1953808), (12065, 1645312), (12160, 1632458), (12854, 1544320), (16256, 1221130), (19304, 1028320), (20320, 976904), (24130, 822656), (24320, 816229), (25708, 772160), (32135, 617728), (32512, 610565), (38608, 514160), (40640, 488452), (48260, 411328), (51416, 386080), (64270, 308864), (77216, 257080), (81280, 244226), (96520, 205664), (102832, 193040), (122113, 162560), (128540, 154432)]