80628496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 168808640

約数和(自身を除く): 88180144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 878, 883, 1756, 1766, 3512, 3532, 5707, 7024, 7064, 11414, 11479, 14128, 22828, 22958, 45656, 45916, 91312, 91832, 183664, 387637, 775274, 1550548, 3101096, 5039281, 6202192, 10078562, 20157124, 40314248, 80628496]

約数ペア:

[(1, 80628496), (2, 40314248), (4, 20157124), (8, 10078562), (13, 6202192), (16, 5039281), (26, 3101096), (52, 1550548), (104, 775274), (208, 387637), (439, 183664), (878, 91832), (883, 91312), (1756, 45916), (1766, 45656), (3512, 22958), (3532, 22828), (5707, 14128), (7024, 11479), (7064, 11414)]