27805900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2674

約数の個数: 36

約数和(自身を含む): 60916240

約数和(自身を除く): 33110340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2551, 2725, 5102, 5450, 10204, 10900, 12755, 25510, 51020, 63775, 127550, 255100, 278059, 556118, 1112236, 1390295, 2780590, 5561180, 6951475, 13902950, 27805900]

約数ペア:

[(1, 27805900), (2, 13902950), (4, 6951475), (5, 5561180), (10, 2780590), (20, 1390295), (25, 1112236), (50, 556118), (100, 278059), (109, 255100), (218, 127550), (436, 63775), (545, 51020), (1090, 25510), (2180, 12755), (2551, 10900), (2725, 10204), (5102, 5450)]