8902780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1607}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 18775008

約数和(自身を除く): 9872228

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 1607, 2770, 3214, 5540, 6428, 8035, 16070, 32140, 445139, 890278, 1780556, 2225695, 4451390, 8902780]

約数ペア:

[(1, 8902780), (2, 4451390), (4, 2225695), (5, 1780556), (10, 890278), (20, 445139), (277, 32140), (554, 16070), (1108, 8035), (1385, 6428), (1607, 5540), (2770, 3214)]