2019967338220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{28047311}}^1$

素因数の和:28047610

約数の個数: 48

約数和(自身を含む): 4584725808768

約数和(自身を除く): 2564758470548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 36010, 72020, 28047311, 56094622, 112189244, 140236555, 280473110, 364615043, 560946220, 729230086, 1458460172, 1823075215, 3646150430, 7292300860, 7769105147, 15538210294, 31076420588, 38845525735, 77691051470, 100998366911, 155382102940, 201996733822, 403993467644, 504991834555, 1009983669110, 2019967338220]

約数ペア:

[(1, 2019967338220), (2, 1009983669110), (4, 504991834555), (5, 403993467644), (10, 201996733822), (13, 155382102940), (20, 100998366911), (26, 77691051470), (52, 38845525735), (65, 31076420588), (130, 15538210294), (260, 7769105147), (277, 7292300860), (554, 3646150430), (1108, 1823075215), (1385, 1458460172), (2770, 729230086), (3601, 560946220), (5540, 364615043), (7202, 280473110), (14404, 140236555), (18005, 112189244), (36010, 56094622), (72020, 28047311)]