8891180

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1061}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 18733680

約数和(自身を除く): 9842500

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1061, 1676, 2095, 2122, 4190, 4244, 5305, 8380, 10610, 21220, 444559, 889118, 1778236, 2222795, 4445590, 8891180]

約数ペア:

[(1, 8891180), (2, 4445590), (4, 2222795), (5, 1778236), (10, 889118), (20, 444559), (419, 21220), (838, 10610), (1061, 8380), (1676, 5305), (2095, 4244), (2122, 4190)]