28312750

素因数分解:

$2^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 53539200

約数和(自身を除く): 25226450

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 1039, 1090, 2078, 2725, 5195, 5450, 10390, 13625, 25975, 27250, 51950, 113251, 129875, 226502, 259750, 566255, 1132510, 2831275, 5662550, 14156375, 28312750]

約数ペア:

[(1, 28312750), (2, 14156375), (5, 5662550), (10, 2831275), (25, 1132510), (50, 566255), (109, 259750), (125, 226502), (218, 129875), (250, 113251), (545, 51950), (1039, 27250), (1090, 25975), (2078, 13625), (2725, 10390), (5195, 5450)]