12980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:79

約数の個数: 24

約数和(自身を含む): 30240

約数和(自身を除く): 17260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980]

約数ペア:

[(1, 12980), (2, 6490), (4, 3245), (5, 2596), (10, 1298), (11, 1180), (20, 649), (22, 590), (44, 295), (55, 236), (59, 220), (110, 118)]