1282809025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{3121}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 1634067288

約数和(自身を除く): 351258263

約数列:

[1, 5, 25, 41, 205, 401, 1025, 2005, 3121, 10025, 15605, 16441, 78025, 82205, 127961, 411025, 639805, 1251521, 3199025, 6257605, 31288025, 51312361, 256561805, 1282809025]

約数ペア:

[(1, 1282809025), (5, 256561805), (25, 51312361), (41, 31288025), (205, 6257605), (401, 3199025), (1025, 1251521), (2005, 639805), (3121, 411025), (10025, 127961), (15605, 82205), (16441, 78025)]