12811180

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3539}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 27059760

約数和(自身を除く): 14248580

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3539, 3620, 7078, 14156, 17695, 35390, 70780, 640559, 1281118, 2562236, 3202795, 6405590, 12811180]

約数ペア:

[(1, 12811180), (2, 6405590), (4, 3202795), (5, 2562236), (10, 1281118), (20, 640559), (181, 70780), (362, 35390), (724, 17695), (905, 14156), (1810, 7078), (3539, 3620)]