142714640

素因数分解:

$2^4\times 5^1\times {\mathrm{1783933}}^1$

素因数の和:1783946

約数の個数: 20

約数和(自身を含む): 331811724

約数和(自身を除く): 189097084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1783933, 3567866, 7135732, 8919665, 14271464, 17839330, 28542928, 35678660, 71357320, 142714640]

約数ペア:

[(1, 142714640), (2, 71357320), (4, 35678660), (5, 28542928), (8, 17839330), (10, 14271464), (16, 8919665), (20, 7135732), (40, 3567866), (80, 1783933)]