80502880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11701}}^1$

素因数の和:11759

約数の個数: 48

約数和(自身を含む): 194627664

約数和(自身を除く): 114124784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 11701, 23402, 46804, 58505, 93608, 117010, 187216, 234020, 374432, 468040, 503143, 936080, 1006286, 1872160, 2012572, 2515715, 4025144, 5031430, 8050288, 10062860, 16100576, 20125720, 40251440, 80502880]

約数ペア:

[(1, 80502880), (2, 40251440), (4, 20125720), (5, 16100576), (8, 10062860), (10, 8050288), (16, 5031430), (20, 4025144), (32, 2515715), (40, 2012572), (43, 1872160), (80, 1006286), (86, 936080), (160, 503143), (172, 468040), (215, 374432), (344, 234020), (430, 187216), (688, 117010), (860, 93608), (1376, 58505), (1720, 46804), (3440, 23402), (6880, 11701)]