28352525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 8103475

約数列:

[1, 5, 25, 41, 139, 199, 205, 695, 995, 1025, 3475, 4975, 5699, 8159, 27661, 28495, 40795, 138305, 142475, 203975, 691525, 1134101, 5670505, 28352525]

約数ペア:

[(1, 28352525), (5, 5670505), (25, 1134101), (41, 691525), (139, 203975), (199, 142475), (205, 138305), (695, 40795), (995, 28495), (1025, 27661), (3475, 8159), (4975, 5699)]