81367040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 104

約数和(自身を含む): 203464440

約数和(自身を除く): 122097400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 137, 145, 160, 232, 256, 274, 290, 320, 464, 512, 548, 580, 640, 685, 928, 1024, 1096, 1160, 1280, 1370, 1856, 2048, 2192, 2320, 2560, 2740, 3712, 3973, 4096, 4384, 4640, 5120, 5480, 7424, 7946, 8768, 9280, 10240, 10960, 14848, 15892, 17536, 18560, 19865, 20480, 21920, 29696, 31784, 35072, 37120, 39730, 43840, 59392, 63568, 70144, 74240, 79460, 87680, 118784, 127136, 140288, 148480, 158920, 175360, 254272, 280576, 296960, 317840, 350720, 508544, 561152, 593920, 635680, 701440, 1017088, 1271360, 1402880, 2034176, 2542720, 2805760, 4068352, 5085440, 8136704, 10170880, 16273408, 20341760, 40683520, 81367040]

約数ペア:

[(1, 81367040), (2, 40683520), (4, 20341760), (5, 16273408), (8, 10170880), (10, 8136704), (16, 5085440), (20, 4068352), (29, 2805760), (32, 2542720), (40, 2034176), (58, 1402880), (64, 1271360), (80, 1017088), (116, 701440), (128, 635680), (137, 593920), (145, 561152), (160, 508544), (232, 350720), (256, 317840), (274, 296960), (290, 280576), (320, 254272), (464, 175360), (512, 158920), (548, 148480), (580, 140288), (640, 127136), (685, 118784), (928, 87680), (1024, 79460), (1096, 74240), (1160, 70144), (1280, 63568), (1370, 59392), (1856, 43840), (2048, 39730), (2192, 37120), (2320, 35072), (2560, 31784), (2740, 29696), (3712, 21920), (3973, 20480), (4096, 19865), (4384, 18560), (4640, 17536), (5120, 15892), (5480, 14848), (7424, 10960), (7946, 10240), (8768, 9280)]