2018586440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{26053}}^1$

素因数の和:26226

約数の個数: 64

約数和(自身を含む): 4924206000

約数和(自身を除く): 2905619560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2980, 3874, 5960, 7748, 9685, 15496, 19370, 26053, 38740, 52106, 77480, 104212, 130265, 208424, 260530, 338689, 521060, 677378, 1042120, 1354756, 1693445, 2709512, 3386890, 3881897, 6773780, 7763794, 13547560, 15527588, 19409485, 31055176, 38818970, 50464661, 77637940, 100929322, 155275880, 201858644, 252323305, 403717288, 504646610, 1009293220, 2018586440]

約数ペア:

[(1, 2018586440), (2, 1009293220), (4, 504646610), (5, 403717288), (8, 252323305), (10, 201858644), (13, 155275880), (20, 100929322), (26, 77637940), (40, 50464661), (52, 38818970), (65, 31055176), (104, 19409485), (130, 15527588), (149, 13547560), (260, 7763794), (298, 6773780), (520, 3881897), (596, 3386890), (745, 2709512), (1192, 1693445), (1490, 1354756), (1937, 1042120), (2980, 677378), (3874, 521060), (5960, 338689), (7748, 260530), (9685, 208424), (15496, 130265), (19370, 104212), (26053, 77480), (38740, 52106)]