141857920

素因数分解:

$2^7\times 5^1\times {\mathrm{221653}}^1$

素因数の和:221672

約数の個数: 32

約数和(自身を含む): 339130620

約数和(自身を除く): 197272700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 221653, 443306, 886612, 1108265, 1773224, 2216530, 3546448, 4433060, 7092896, 8866120, 14185792, 17732240, 28371584, 35464480, 70928960, 141857920]

約数ペア:

[(1, 141857920), (2, 70928960), (4, 35464480), (5, 28371584), (8, 17732240), (10, 14185792), (16, 8866120), (20, 7092896), (32, 4433060), (40, 3546448), (64, 2216530), (80, 1773224), (128, 1108265), (160, 886612), (320, 443306), (640, 221653)]