81137367040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{887}}^1\times {\mathrm{8933}}^1$

素因数の和:9847

約数の個数: 96

約数和(自身を含む): 194923441440

約数和(自身を除く): 113786074400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 887, 1024, 1280, 1774, 2048, 2560, 3548, 4435, 5120, 7096, 8870, 8933, 10240, 14192, 17740, 17866, 28384, 35480, 35732, 44665, 56768, 70960, 71464, 89330, 113536, 141920, 142928, 178660, 227072, 283840, 285856, 357320, 454144, 567680, 571712, 714640, 908288, 1135360, 1143424, 1429280, 1816576, 2270720, 2286848, 2858560, 4541440, 4573696, 5717120, 7923571, 9082880, 9147392, 11434240, 15847142, 18294784, 22868480, 31694284, 39617855, 45736960, 63388568, 79235710, 91473920, 126777136, 158471420, 253554272, 316942840, 507108544, 633885680, 1014217088, 1267771360, 2028434176, 2535542720, 4056868352, 5071085440, 8113736704, 10142170880, 16227473408, 20284341760, 40568683520, 81137367040]

約数ペア:

[(1, 81137367040), (2, 40568683520), (4, 20284341760), (5, 16227473408), (8, 10142170880), (10, 8113736704), (16, 5071085440), (20, 4056868352), (32, 2535542720), (40, 2028434176), (64, 1267771360), (80, 1014217088), (128, 633885680), (160, 507108544), (256, 316942840), (320, 253554272), (512, 158471420), (640, 126777136), (887, 91473920), (1024, 79235710), (1280, 63388568), (1774, 45736960), (2048, 39617855), (2560, 31694284), (3548, 22868480), (4435, 18294784), (5120, 15847142), (7096, 11434240), (8870, 9147392), (8933, 9082880), (10240, 7923571), (14192, 5717120), (17740, 4573696), (17866, 4541440), (28384, 2858560), (35480, 2286848), (35732, 2270720), (44665, 1816576), (56768, 1429280), (70960, 1143424), (71464, 1135360), (89330, 908288), (113536, 714640), (141920, 571712), (142928, 567680), (178660, 454144), (227072, 357320), (283840, 285856)]