51296080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 132098688

約数和(自身を除く): 80802608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 821, 880, 1136, 1420, 1562, 1642, 2840, 3124, 3284, 3905, 4105, 5680, 6248, 6568, 7810, 8210, 9031, 12496, 13136, 15620, 16420, 18062, 31240, 32840, 36124, 45155, 58291, 62480, 65680, 72248, 90310, 116582, 144496, 180620, 233164, 291455, 361240, 466328, 582910, 641201, 722480, 932656, 1165820, 1282402, 2331640, 2564804, 3206005, 4663280, 5129608, 6412010, 10259216, 12824020, 25648040, 51296080]

約数ペア:

[(1, 51296080), (2, 25648040), (4, 12824020), (5, 10259216), (8, 6412010), (10, 5129608), (11, 4663280), (16, 3206005), (20, 2564804), (22, 2331640), (40, 1282402), (44, 1165820), (55, 932656), (71, 722480), (80, 641201), (88, 582910), (110, 466328), (142, 361240), (176, 291455), (220, 233164), (284, 180620), (355, 144496), (440, 116582), (568, 90310), (710, 72248), (781, 65680), (821, 62480), (880, 58291), (1136, 45155), (1420, 36124), (1562, 32840), (1642, 31240), (2840, 18062), (3124, 16420), (3284, 15620), (3905, 13136), (4105, 12496), (5680, 9031), (6248, 8210), (6568, 7810)]