80315575

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{3343}}^1$

素因数の和:3415

約数の個数: 18

約数和(自身を含む): 102938352

約数和(自身を除く): 22622777

約数列:

[1, 5, 25, 31, 155, 775, 961, 3343, 4805, 16715, 24025, 83575, 103633, 518165, 2590825, 3212623, 16063115, 80315575]

約数ペア:

[(1, 80315575), (5, 16063115), (25, 3212623), (31, 2590825), (155, 518165), (775, 103633), (961, 83575), (3343, 24025), (4805, 16715)]