25508180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11701}}^1$

素因数の和:11819

約数の個数: 24

約数和(自身を含む): 54063240

約数和(自身を除く): 28555060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11701, 23402, 46804, 58505, 117010, 234020, 1275409, 2550818, 5101636, 6377045, 12754090, 25508180]

約数ペア:

[(1, 25508180), (2, 12754090), (4, 6377045), (5, 5101636), (10, 2550818), (20, 1275409), (109, 234020), (218, 117010), (436, 58505), (545, 46804), (1090, 23402), (2180, 11701)]