39957400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{28541}}^1$

素因数の和:28564

約数の個数: 48

約数和(自身を含む): 106176240

約数和(自身を除く): 66218840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 28541, 57082, 114164, 142705, 199787, 228328, 285410, 399574, 570820, 713525, 799148, 998935, 1141640, 1427050, 1598296, 1997870, 2854100, 3995740, 4994675, 5708200, 7991480, 9989350, 19978700, 39957400]

約数ペア:

[(1, 39957400), (2, 19978700), (4, 9989350), (5, 7991480), (7, 5708200), (8, 4994675), (10, 3995740), (14, 2854100), (20, 1997870), (25, 1598296), (28, 1427050), (35, 1141640), (40, 998935), (50, 799148), (56, 713525), (70, 570820), (100, 399574), (140, 285410), (175, 228328), (200, 199787), (280, 142705), (350, 114164), (700, 57082), (1400, 28541)]