8266000640

素因数分解:

$2^8\times 5^1\times {\mathrm{919}}^1\times {\mathrm{7027}}^1$

素因数の和:7967

約数の個数: 72

約数和(自身を含む): 19824020160

約数和(自身を除く): 11558019520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 919, 1280, 1838, 3676, 4595, 7027, 7352, 9190, 14054, 14704, 18380, 28108, 29408, 35135, 36760, 56216, 58816, 70270, 73520, 112432, 117632, 140540, 147040, 224864, 235264, 281080, 294080, 449728, 562160, 588160, 899456, 1124320, 1176320, 1798912, 2248640, 4497280, 6457813, 8994560, 12915626, 25831252, 32289065, 51662504, 64578130, 103325008, 129156260, 206650016, 258312520, 413300032, 516625040, 826600064, 1033250080, 1653200128, 2066500160, 4133000320, 8266000640]

約数ペア:

[(1, 8266000640), (2, 4133000320), (4, 2066500160), (5, 1653200128), (8, 1033250080), (10, 826600064), (16, 516625040), (20, 413300032), (32, 258312520), (40, 206650016), (64, 129156260), (80, 103325008), (128, 64578130), (160, 51662504), (256, 32289065), (320, 25831252), (640, 12915626), (919, 8994560), (1280, 6457813), (1838, 4497280), (3676, 2248640), (4595, 1798912), (7027, 1176320), (7352, 1124320), (9190, 899456), (14054, 588160), (14704, 562160), (18380, 449728), (28108, 294080), (29408, 281080), (35135, 235264), (36760, 224864), (56216, 147040), (58816, 140540), (70270, 117632), (73520, 112432)]