319617787120

素因数分解:

$2^4\times 5^1\times {\mathrm{3995222339}}^1$

素因数の和:3995222352

約数の個数: 20

約数和(自身を含む): 743111355240

約数和(自身を除く): 423493568120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3995222339, 7990444678, 15980889356, 19976111695, 31961778712, 39952223390, 63923557424, 79904446780, 159808893560, 319617787120]

約数ペア:

[(1, 319617787120), (2, 159808893560), (4, 79904446780), (5, 63923557424), (8, 39952223390), (10, 31961778712), (16, 19976111695), (20, 15980889356), (40, 7990444678), (80, 3995222339)]