25660465

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 32750784

約数和(自身を除く): 7090319

約数列:

[1, 5, 41, 43, 71, 205, 215, 355, 1681, 1763, 2911, 3053, 8405, 8815, 14555, 15265, 72283, 119351, 125173, 361415, 596755, 625865, 5132093, 25660465]

約数ペア:

[(1, 25660465), (5, 5132093), (41, 625865), (43, 596755), (71, 361415), (205, 125173), (215, 119351), (355, 72283), (1681, 15265), (1763, 14555), (2911, 8815), (3053, 8405)]