15759280

素因数分解:

$2^4\times 5^1\times {\mathrm{196991}}^1$

素因数の和:197004

約数の個数: 20

約数和(自身を含む): 36640512

約数和(自身を除く): 20881232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196991, 393982, 787964, 984955, 1575928, 1969910, 3151856, 3939820, 7879640, 15759280]

約数ペア:

[(1, 15759280), (2, 7879640), (4, 3939820), (5, 3151856), (8, 1969910), (10, 1575928), (16, 984955), (20, 787964), (40, 393982), (80, 196991)]