12002980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54559}}^1$

素因数の和:54579

約数の個数: 24

約数和(自身を含む): 27498240

約数和(自身を除く): 15495260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54559, 109118, 218236, 272795, 545590, 600149, 1091180, 1200298, 2400596, 3000745, 6001490, 12002980]

約数ペア:

[(1, 12002980), (2, 6001490), (4, 3000745), (5, 2400596), (10, 1200298), (11, 1091180), (20, 600149), (22, 545590), (44, 272795), (55, 218236), (110, 109118), (220, 54559)]