3919280

素因数分解:

$2^4\times 5^1\times {\mathrm{48991}}^1$

素因数の和:49004

約数の個数: 20

約数和(自身を含む): 9112512

約数和(自身を除く): 5193232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 48991, 97982, 195964, 244955, 391928, 489910, 783856, 979820, 1959640, 3919280]

約数ペア:

[(1, 3919280), (2, 1959640), (4, 979820), (5, 783856), (8, 489910), (10, 391928), (16, 244955), (20, 195964), (40, 97982), (80, 48991)]