640196144

素因数分解:

$2^4\times 7^1\times {\mathrm{5716037}}^1$

素因数の和:5716052

約数の個数: 20

約数和(自身を含む): 1417577424

約数和(自身を除く): 777381280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5716037, 11432074, 22864148, 40012259, 45728296, 80024518, 91456592, 160049036, 320098072, 640196144]

約数ペア:

[(1, 640196144), (2, 320098072), (4, 160049036), (7, 91456592), (8, 80024518), (14, 45728296), (16, 40012259), (28, 22864148), (56, 11432074), (112, 5716037)]