78220055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{4549}}^1$

素因数の和:4754

約数の個数: 16

約数和(自身を含む): 99372000

約数和(自身を除く): 21151945

約数列:

[1, 5, 19, 95, 181, 905, 3439, 4549, 17195, 22745, 86431, 432155, 823369, 4116845, 15644011, 78220055]

約数ペア:

[(1, 78220055), (5, 15644011), (19, 4116845), (95, 823369), (181, 432155), (905, 86431), (3439, 22745), (4549, 17195)]