2566281380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{77719}}^1$

素因数の和:77868

約数の個数: 48

約数和(自身を含む): 5849518080

約数和(自身を除く): 3283236700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 77719, 155438, 310876, 388595, 777190, 1010347, 1554380, 2020694, 4041388, 5051735, 9870313, 10103470, 19740626, 20206940, 39481252, 49351565, 98703130, 128314069, 197406260, 256628138, 513256276, 641570345, 1283140690, 2566281380]

約数ペア:

[(1, 2566281380), (2, 1283140690), (4, 641570345), (5, 513256276), (10, 256628138), (13, 197406260), (20, 128314069), (26, 98703130), (52, 49351565), (65, 39481252), (127, 20206940), (130, 19740626), (254, 10103470), (260, 9870313), (508, 5051735), (635, 4041388), (1270, 2020694), (1651, 1554380), (2540, 1010347), (3302, 777190), (6604, 388595), (8255, 310876), (16510, 155438), (33020, 77719)]