80280784

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{28031}}^1$

素因数の和:28218

約数の個数: 20

約数和(自身を含む): 156418560

約数和(自身を除く): 76137776

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 28031, 56062, 112124, 224248, 448496, 5017549, 10035098, 20070196, 40140392, 80280784]

約数ペア:

[(1, 80280784), (2, 40140392), (4, 20070196), (8, 10035098), (16, 5017549), (179, 448496), (358, 224248), (716, 112124), (1432, 56062), (2864, 28031)]