80611520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22901}}^1$

素因数の和:22929

約数の個数: 56

約数和(自身を含む): 209415888

約数和(自身を除く): 128804368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 22901, 45802, 91604, 114505, 183208, 229010, 251911, 366416, 458020, 503822, 732832, 916040, 1007644, 1259555, 1465664, 1832080, 2015288, 2519110, 3664160, 4030576, 5038220, 7328320, 8061152, 10076440, 16122304, 20152880, 40305760, 80611520]

約数ペア:

[(1, 80611520), (2, 40305760), (4, 20152880), (5, 16122304), (8, 10076440), (10, 8061152), (11, 7328320), (16, 5038220), (20, 4030576), (22, 3664160), (32, 2519110), (40, 2015288), (44, 1832080), (55, 1465664), (64, 1259555), (80, 1007644), (88, 916040), (110, 732832), (160, 503822), (176, 458020), (220, 366416), (320, 251911), (352, 229010), (440, 183208), (704, 114505), (880, 91604), (1760, 45802), (3520, 22901)]