25601080

素因数分解:

$2^3\times 5^1\times {\mathrm{640027}}^1$

素因数の和:640038

約数の個数: 16

約数和(自身を含む): 57602520

約数和(自身を除く): 32001440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 640027, 1280054, 2560108, 3200135, 5120216, 6400270, 12800540, 25601080]

約数ペア:

[(1, 25601080), (2, 12800540), (4, 6400270), (5, 5120216), (8, 3200135), (10, 2560108), (20, 1280054), (40, 640027)]