51310480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 129991680

約数和(自身を除く): 78681200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 479, 515, 520, 824, 958, 1030, 1040, 1339, 1648, 1916, 2060, 2395, 2678, 3832, 4120, 4790, 5356, 6227, 6695, 7664, 8240, 9580, 10712, 12454, 13390, 19160, 21424, 24908, 26780, 31135, 38320, 49337, 49816, 53560, 62270, 98674, 99632, 107120, 124540, 197348, 246685, 249080, 394696, 493370, 498160, 641381, 789392, 986740, 1282762, 1973480, 2565524, 3206905, 3946960, 5131048, 6413810, 10262096, 12827620, 25655240, 51310480]

約数ペア:

[(1, 51310480), (2, 25655240), (4, 12827620), (5, 10262096), (8, 6413810), (10, 5131048), (13, 3946960), (16, 3206905), (20, 2565524), (26, 1973480), (40, 1282762), (52, 986740), (65, 789392), (80, 641381), (103, 498160), (104, 493370), (130, 394696), (206, 249080), (208, 246685), (260, 197348), (412, 124540), (479, 107120), (515, 99632), (520, 98674), (824, 62270), (958, 53560), (1030, 49816), (1040, 49337), (1339, 38320), (1648, 31135), (1916, 26780), (2060, 24908), (2395, 21424), (2678, 19160), (3832, 13390), (4120, 12454), (4790, 10712), (5356, 9580), (6227, 8240), (6695, 7664)]