13255480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6763}}^1$

素因数の和:6788

約数の個数: 48

約数和(自身を含む): 34699320

約数和(自身を除く): 21443840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6763, 13526, 27052, 33815, 47341, 54104, 67630, 94682, 135260, 189364, 236705, 270520, 331387, 378728, 473410, 662774, 946820, 1325548, 1656935, 1893640, 2651096, 3313870, 6627740, 13255480]

約数ペア:

[(1, 13255480), (2, 6627740), (4, 3313870), (5, 2651096), (7, 1893640), (8, 1656935), (10, 1325548), (14, 946820), (20, 662774), (28, 473410), (35, 378728), (40, 331387), (49, 270520), (56, 236705), (70, 189364), (98, 135260), (140, 94682), (196, 67630), (245, 54104), (280, 47341), (392, 33815), (490, 27052), (980, 13526), (1960, 6763)]