27978460

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1621}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 58859136

約数和(自身を除く): 30880676

約数列:

[1, 2, 4, 5, 10, 20, 863, 1621, 1726, 3242, 3452, 4315, 6484, 8105, 8630, 16210, 17260, 32420, 1398923, 2797846, 5595692, 6994615, 13989230, 27978460]

約数ペア:

[(1, 27978460), (2, 13989230), (4, 6994615), (5, 5595692), (10, 2797846), (20, 1398923), (863, 32420), (1621, 17260), (1726, 16210), (3242, 8630), (3452, 8105), (4315, 6484)]