25971760

素因数分解:

$2^4\times 5^1\times {\mathrm{324647}}^1$

素因数の和:324660

約数の個数: 20

約数和(自身を含む): 60384528

約数和(自身を除く): 34412768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 324647, 649294, 1298588, 1623235, 2597176, 3246470, 5194352, 6492940, 12985880, 25971760]

約数ペア:

[(1, 25971760), (2, 12985880), (4, 6492940), (5, 5194352), (8, 3246470), (10, 2597176), (16, 1623235), (20, 1298588), (40, 649294), (80, 324647)]