40392880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 103413024

約数和(自身を除く): 63020144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 233, 394, 440, 466, 788, 880, 932, 985, 1165, 1576, 1864, 1970, 2167, 2330, 2563, 3152, 3728, 3940, 4334, 4660, 5126, 7880, 8668, 9320, 10252, 10835, 12815, 15760, 17336, 18640, 20504, 21670, 25630, 34672, 41008, 43340, 45901, 51260, 86680, 91802, 102520, 173360, 183604, 205040, 229505, 367208, 459010, 504911, 734416, 918020, 1009822, 1836040, 2019644, 2524555, 3672080, 4039288, 5049110, 8078576, 10098220, 20196440, 40392880]

約数ペア:

[(1, 40392880), (2, 20196440), (4, 10098220), (5, 8078576), (8, 5049110), (10, 4039288), (11, 3672080), (16, 2524555), (20, 2019644), (22, 1836040), (40, 1009822), (44, 918020), (55, 734416), (80, 504911), (88, 459010), (110, 367208), (176, 229505), (197, 205040), (220, 183604), (233, 173360), (394, 102520), (440, 91802), (466, 86680), (788, 51260), (880, 45901), (932, 43340), (985, 41008), (1165, 34672), (1576, 25630), (1864, 21670), (1970, 20504), (2167, 18640), (2330, 17336), (2563, 15760), (3152, 12815), (3728, 10835), (3940, 10252), (4334, 9320), (4660, 8668), (5126, 7880)]