25970780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 60159456

約数和(自身を除く): 34188676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1217, 1940, 2134, 2434, 4268, 4868, 5335, 6085, 10670, 12170, 13387, 21340, 24340, 26774, 53548, 66935, 118049, 133870, 236098, 267740, 472196, 590245, 1180490, 1298539, 2360980, 2597078, 5194156, 6492695, 12985390, 25970780]

約数ペア:

[(1, 25970780), (2, 12985390), (4, 6492695), (5, 5194156), (10, 2597078), (11, 2360980), (20, 1298539), (22, 1180490), (44, 590245), (55, 472196), (97, 267740), (110, 236098), (194, 133870), (220, 118049), (388, 66935), (485, 53548), (970, 26774), (1067, 24340), (1217, 21340), (1940, 13387), (2134, 12170), (2434, 10670), (4268, 6085), (4868, 5335)]