80084920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 186611040

約数和(自身を除く): 106526120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 461, 505, 808, 860, 922, 1010, 1720, 1844, 2020, 2305, 3688, 4040, 4343, 4610, 8686, 9220, 17372, 18440, 19823, 21715, 34744, 39646, 43430, 46561, 79292, 86860, 93122, 99115, 158584, 173720, 186244, 198230, 232805, 372488, 396460, 465610, 792920, 931220, 1862440, 2002123, 4004246, 8008492, 10010615, 16016984, 20021230, 40042460, 80084920]

約数ペア:

[(1, 80084920), (2, 40042460), (4, 20021230), (5, 16016984), (8, 10010615), (10, 8008492), (20, 4004246), (40, 2002123), (43, 1862440), (86, 931220), (101, 792920), (172, 465610), (202, 396460), (215, 372488), (344, 232805), (404, 198230), (430, 186244), (461, 173720), (505, 158584), (808, 99115), (860, 93122), (922, 86860), (1010, 79292), (1720, 46561), (1844, 43430), (2020, 39646), (2305, 34744), (3688, 21715), (4040, 19823), (4343, 18440), (4610, 17372), (8686, 9220)]