80870025

素因数分解:

$3^1\times 5^2\times {\mathrm{613}}^1\times {\mathrm{1759}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 133999360

約数和(自身を除く): 53129335

約数列:

[1, 3, 5, 15, 25, 75, 613, 1759, 1839, 3065, 5277, 8795, 9195, 15325, 26385, 43975, 45975, 131925, 1078267, 3234801, 5391335, 16174005, 26956675, 80870025]

約数ペア:

[(1, 80870025), (3, 26956675), (5, 16174005), (15, 5391335), (25, 3234801), (75, 1078267), (613, 131925), (1759, 45975), (1839, 43975), (3065, 26385), (5277, 15325), (8795, 9195)]