1605025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 2182400

約数和(自身を除く): 577375

約数列:

[1, 5, 19, 25, 31, 95, 109, 155, 475, 545, 589, 775, 2071, 2725, 2945, 3379, 10355, 14725, 16895, 51775, 64201, 84475, 321005, 1605025]

約数ペア:

[(1, 1605025), (5, 321005), (19, 84475), (25, 64201), (31, 51775), (95, 16895), (109, 14725), (155, 10355), (475, 3379), (545, 2945), (589, 2725), (775, 2071)]