12428180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5701}}^1$

素因数の和:5819

約数の個数: 24

約数和(自身を含む): 26343240

約数和(自身を除く): 13915060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5701, 11402, 22804, 28505, 57010, 114020, 621409, 1242818, 2485636, 3107045, 6214090, 12428180]

約数ペア:

[(1, 12428180), (2, 6214090), (4, 3107045), (5, 2485636), (10, 1242818), (20, 621409), (109, 114020), (218, 57010), (436, 28505), (545, 22804), (1090, 11402), (2180, 5701)]