256433605

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{1301}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 312480000

約数和(自身を除く): 56046395

約数列:

[1, 5, 79, 395, 499, 1301, 2495, 6505, 39421, 102779, 197105, 513895, 649199, 3245995, 51286721, 256433605]

約数ペア:

[(1, 256433605), (5, 51286721), (79, 3245995), (395, 649199), (499, 513895), (1301, 197105), (2495, 102779), (6505, 39421)]