15965960

素因数分解:

$2^3\times 5^1\times {\mathrm{399149}}^1$

素因数の和:399160

約数の個数: 16

約数和(自身を含む): 35923500

約数和(自身を除く): 19957540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 399149, 798298, 1596596, 1995745, 3193192, 3991490, 7982980, 15965960]

約数ペア:

[(1, 15965960), (2, 7982980), (4, 3991490), (5, 3193192), (8, 1995745), (10, 1596596), (20, 798298), (40, 399149)]