8209175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 11572920

約数和(自身を除く): 3363745

約数列:

[1, 5, 13, 25, 29, 65, 67, 145, 169, 325, 335, 377, 725, 845, 871, 1675, 1885, 1943, 4225, 4355, 4901, 9425, 9715, 11323, 21775, 24505, 25259, 48575, 56615, 122525, 126295, 283075, 328367, 631475, 1641835, 8209175]

約数ペア:

[(1, 8209175), (5, 1641835), (13, 631475), (25, 328367), (29, 283075), (65, 126295), (67, 122525), (145, 56615), (169, 48575), (325, 25259), (335, 24505), (377, 21775), (725, 11323), (845, 9715), (871, 9425), (1675, 4901), (1885, 4355), (1943, 4225)]