129592240

素因数分解:

$2^4\times 5^1\times {\mathrm{1619903}}^1$

素因数の和:1619916

約数の個数: 20

約数和(自身を含む): 301302144

約数和(自身を除く): 171709904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1619903, 3239806, 6479612, 8099515, 12959224, 16199030, 25918448, 32398060, 64796120, 129592240]

約数ペア:

[(1, 129592240), (2, 64796120), (4, 32398060), (5, 25918448), (8, 16199030), (10, 12959224), (16, 8099515), (20, 6479612), (40, 3239806), (80, 1619903)]