40251440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11701}}^1$

素因数の和:11757

約数の個数: 40

約数和(自身を含む): 95769168

約数和(自身を除く): 55517728

約数列:

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

約数ペア:

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