8049587480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{9161}}^1$

素因数の和:11180

約数の個数: 64

約数和(自身を含む): 19770130080

約数和(自身を除く): 11720542600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1997, 3994, 7988, 9161, 9985, 15976, 18322, 19970, 21967, 36644, 39940, 43934, 45805, 73288, 79880, 87868, 91610, 100771, 109835, 175736, 183220, 201542, 219670, 366440, 403084, 439340, 503855, 806168, 878680, 1007710, 2015420, 4030840, 18294517, 36589034, 73178068, 91472585, 146356136, 182945170, 201239687, 365890340, 402479374, 731780680, 804958748, 1006198435, 1609917496, 2012396870, 4024793740, 8049587480]

約数ペア:

[(1, 8049587480), (2, 4024793740), (4, 2012396870), (5, 1609917496), (8, 1006198435), (10, 804958748), (11, 731780680), (20, 402479374), (22, 365890340), (40, 201239687), (44, 182945170), (55, 146356136), (88, 91472585), (110, 73178068), (220, 36589034), (440, 18294517), (1997, 4030840), (3994, 2015420), (7988, 1007710), (9161, 878680), (9985, 806168), (15976, 503855), (18322, 439340), (19970, 403084), (21967, 366440), (36644, 219670), (39940, 201542), (43934, 183220), (45805, 175736), (73288, 109835), (79880, 100771), (87868, 91610)]