12172025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 15862080

約数和(自身を除く): 3690055

約数列:

[1, 5, 25, 29, 103, 145, 163, 515, 725, 815, 2575, 2987, 4075, 4727, 14935, 16789, 23635, 74675, 83945, 118175, 419725, 486881, 2434405, 12172025]

約数ペア:

[(1, 12172025), (5, 2434405), (25, 486881), (29, 419725), (103, 118175), (145, 83945), (163, 74675), (515, 23635), (725, 16789), (815, 14935), (2575, 4727), (2987, 4075)]