81547400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 209450880

約数和(自身を除く): 127903480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 200, 202, 220, 275, 367, 404, 440, 505, 550, 734, 808, 1010, 1100, 1111, 1468, 1835, 2020, 2200, 2222, 2525, 2936, 3670, 4037, 4040, 4444, 5050, 5555, 7340, 8074, 8888, 9175, 10100, 11110, 14680, 16148, 18350, 20185, 20200, 22220, 27775, 32296, 36700, 37067, 40370, 44440, 55550, 73400, 74134, 80740, 100925, 111100, 148268, 161480, 185335, 201850, 222200, 296536, 370670, 403700, 407737, 741340, 807400, 815474, 926675, 1482680, 1630948, 1853350, 2038685, 3261896, 3706700, 4077370, 7413400, 8154740, 10193425, 16309480, 20386850, 40773700, 81547400]

約数ペア:

[(1, 81547400), (2, 40773700), (4, 20386850), (5, 16309480), (8, 10193425), (10, 8154740), (11, 7413400), (20, 4077370), (22, 3706700), (25, 3261896), (40, 2038685), (44, 1853350), (50, 1630948), (55, 1482680), (88, 926675), (100, 815474), (101, 807400), (110, 741340), (200, 407737), (202, 403700), (220, 370670), (275, 296536), (367, 222200), (404, 201850), (440, 185335), (505, 161480), (550, 148268), (734, 111100), (808, 100925), (1010, 80740), (1100, 74134), (1111, 73400), (1468, 55550), (1835, 44440), (2020, 40370), (2200, 37067), (2222, 36700), (2525, 32296), (2936, 27775), (3670, 22220), (4037, 20200), (4040, 20185), (4444, 18350), (5050, 16148), (5555, 14680), (7340, 11110), (8074, 10100), (8888, 9175)]