8109486080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{395971}}^1$

素因数の和:396000

約数の個数: 52

約数和(自身を含む): 19460439912

約数和(自身を除く): 11350953832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 395971, 791942, 1583884, 1979855, 3167768, 3959710, 6335536, 7919420, 12671072, 15838840, 25342144, 31677680, 50684288, 63355360, 101368576, 126710720, 202737152, 253421440, 405474304, 506842880, 810948608, 1013685760, 1621897216, 2027371520, 4054743040, 8109486080]

約数ペア:

[(1, 8109486080), (2, 4054743040), (4, 2027371520), (5, 1621897216), (8, 1013685760), (10, 810948608), (16, 506842880), (20, 405474304), (32, 253421440), (40, 202737152), (64, 126710720), (80, 101368576), (128, 63355360), (160, 50684288), (256, 31677680), (320, 25342144), (512, 15838840), (640, 12671072), (1024, 7919420), (1280, 6335536), (2048, 3959710), (2560, 3167768), (4096, 1979855), (5120, 1583884), (10240, 791942), (20480, 395971)]