21254852480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{23537}}^1$

素因数の和:23656

約数の個数: 128

約数和(自身を含む): 54451867680

約数和(自身を除く): 33197015200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 128, 136, 160, 166, 170, 272, 320, 332, 340, 415, 544, 640, 664, 680, 830, 1088, 1328, 1360, 1411, 1660, 2176, 2656, 2720, 2822, 3320, 5312, 5440, 5644, 6640, 7055, 10624, 10880, 11288, 13280, 14110, 22576, 23537, 26560, 28220, 45152, 47074, 53120, 56440, 90304, 94148, 112880, 117685, 180608, 188296, 225760, 235370, 376592, 400129, 451520, 470740, 753184, 800258, 903040, 941480, 1506368, 1600516, 1882960, 1953571, 2000645, 3012736, 3201032, 3765920, 3907142, 4001290, 6402064, 7531840, 7814284, 8002580, 9767855, 12804128, 15063680, 15628568, 16005160, 19535710, 25608256, 31257136, 32010320, 33210707, 39071420, 51216512, 62514272, 64020640, 66421414, 78142840, 125028544, 128041280, 132842828, 156285680, 166053535, 250057088, 256082560, 265685656, 312571360, 332107070, 531371312, 625142720, 664214140, 1062742624, 1250285440, 1328428280, 2125485248, 2656856560, 4250970496, 5313713120, 10627426240, 21254852480]

約数ペア:

[(1, 21254852480), (2, 10627426240), (4, 5313713120), (5, 4250970496), (8, 2656856560), (10, 2125485248), (16, 1328428280), (17, 1250285440), (20, 1062742624), (32, 664214140), (34, 625142720), (40, 531371312), (64, 332107070), (68, 312571360), (80, 265685656), (83, 256082560), (85, 250057088), (128, 166053535), (136, 156285680), (160, 132842828), (166, 128041280), (170, 125028544), (272, 78142840), (320, 66421414), (332, 64020640), (340, 62514272), (415, 51216512), (544, 39071420), (640, 33210707), (664, 32010320), (680, 31257136), (830, 25608256), (1088, 19535710), (1328, 16005160), (1360, 15628568), (1411, 15063680), (1660, 12804128), (2176, 9767855), (2656, 8002580), (2720, 7814284), (2822, 7531840), (3320, 6402064), (5312, 4001290), (5440, 3907142), (5644, 3765920), (6640, 3201032), (7055, 3012736), (10624, 2000645), (10880, 1953571), (11288, 1882960), (13280, 1600516), (14110, 1506368), (22576, 941480), (23537, 903040), (26560, 800258), (28220, 753184), (45152, 470740), (47074, 451520), (53120, 400129), (56440, 376592), (90304, 235370), (94148, 225760), (112880, 188296), (117685, 180608)]