211072240

素因数分解:

$2^4\times 5^1\times {\mathrm{2638403}}^1$

素因数の和:2638416

約数の個数: 20

約数和(自身を含む): 490743144

約数和(自身を除く): 279670904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2638403, 5276806, 10553612, 13192015, 21107224, 26384030, 42214448, 52768060, 105536120, 211072240]

約数ペア:

[(1, 211072240), (2, 105536120), (4, 52768060), (5, 42214448), (8, 26384030), (10, 21107224), (16, 13192015), (20, 10553612), (40, 5276806), (80, 2638403)]