2018977220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{56681}}^1$

素因数の和:56840

約数の個数: 48

約数和(自身を含む): 4599404208

約数和(自身を除く): 2580426988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 56681, 113362, 226724, 283405, 566810, 736853, 1133620, 1473706, 2947412, 3684265, 7368530, 7765297, 14737060, 15530594, 31061188, 38826485, 77652970, 100948861, 155305940, 201897722, 403795444, 504744305, 1009488610, 2018977220]

約数ペア:

[(1, 2018977220), (2, 1009488610), (4, 504744305), (5, 403795444), (10, 201897722), (13, 155305940), (20, 100948861), (26, 77652970), (52, 38826485), (65, 31061188), (130, 15530594), (137, 14737060), (260, 7765297), (274, 7368530), (548, 3684265), (685, 2947412), (1370, 1473706), (1781, 1133620), (2740, 736853), (3562, 566810), (7124, 283405), (8905, 226724), (17810, 113362), (35620, 56681)]