2051664004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20161}}^1$

素因数の和:20300

約数の個数: 48

約数和(自身を含む): 4109822080

約数和(自身を除く): 2058158076

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 247, 412, 494, 988, 1339, 1957, 2678, 3914, 5356, 7828, 20161, 25441, 40322, 50882, 80644, 101764, 262093, 383059, 524186, 766118, 1048372, 1532236, 2076583, 4153166, 4979767, 8306332, 9959534, 19919068, 26995579, 39455077, 53991158, 78910154, 107982316, 157820308, 512916001, 1025832002, 2051664004]

約数ペア:

[(1, 2051664004), (2, 1025832002), (4, 512916001), (13, 157820308), (19, 107982316), (26, 78910154), (38, 53991158), (52, 39455077), (76, 26995579), (103, 19919068), (206, 9959534), (247, 8306332), (412, 4979767), (494, 4153166), (988, 2076583), (1339, 1532236), (1957, 1048372), (2678, 766118), (3914, 524186), (5356, 383059), (7828, 262093), (20161, 101764), (25441, 80644), (40322, 50882)]