83980540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12763}}^1$

素因数の和:12826

約数の個数: 48

約数和(自身を含む): 205857792

約数和(自身を除く): 121877252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12763, 25526, 51052, 63815, 89341, 127630, 178682, 255260, 357364, 446705, 599861, 893410, 1199722, 1786820, 2399444, 2999305, 4199027, 5998610, 8398054, 11997220, 16796108, 20995135, 41990270, 83980540]

約数ペア:

[(1, 83980540), (2, 41990270), (4, 20995135), (5, 16796108), (7, 11997220), (10, 8398054), (14, 5998610), (20, 4199027), (28, 2999305), (35, 2399444), (47, 1786820), (70, 1199722), (94, 893410), (140, 599861), (188, 446705), (235, 357364), (329, 255260), (470, 178682), (658, 127630), (940, 89341), (1316, 63815), (1645, 51052), (3290, 25526), (6580, 12763)]