136250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1$

素因数の和:131

約数の個数: 20

約数和(自身を含む): 257730

約数和(自身を除く): 121480

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 1090, 1250, 2725, 5450, 13625, 27250, 68125, 136250]

約数ペア:

[(1, 136250), (2, 68125), (5, 27250), (10, 13625), (25, 5450), (50, 2725), (109, 1250), (125, 1090), (218, 625), (250, 545)]