28280260

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1559}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 59492160

約数和(自身を除く): 31211900

約数列:

[1, 2, 4, 5, 10, 20, 907, 1559, 1814, 3118, 3628, 4535, 6236, 7795, 9070, 15590, 18140, 31180, 1414013, 2828026, 5656052, 7070065, 14140130, 28280260]

約数ペア:

[(1, 28280260), (2, 14140130), (4, 7070065), (5, 5656052), (10, 2828026), (20, 1414013), (907, 31180), (1559, 18140), (1814, 15590), (3118, 9070), (3628, 7795), (4535, 6236)]