27478900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2521}}^1$

素因数の和:2644

約数の個数: 36

約数和(自身を含む): 60200140

約数和(自身を除く): 32721240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2521, 2725, 5042, 5450, 10084, 10900, 12605, 25210, 50420, 63025, 126050, 252100, 274789, 549578, 1099156, 1373945, 2747890, 5495780, 6869725, 13739450, 27478900]

約数ペア:

[(1, 27478900), (2, 13739450), (4, 6869725), (5, 5495780), (10, 2747890), (20, 1373945), (25, 1099156), (50, 549578), (100, 274789), (109, 252100), (218, 126050), (436, 63025), (545, 50420), (1090, 25210), (2180, 12605), (2521, 10900), (2725, 10084), (5042, 5450)]