25328780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12539}}^1$

素因数の和:12649

約数の個数: 24

約数和(自身を含む): 53721360

約数和(自身を除く): 28392580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12539, 25078, 50156, 62695, 125390, 250780, 1266439, 2532878, 5065756, 6332195, 12664390, 25328780]

約数ペア:

[(1, 25328780), (2, 12664390), (4, 6332195), (5, 5065756), (10, 2532878), (20, 1266439), (101, 250780), (202, 125390), (404, 62695), (505, 50156), (1010, 25078), (2020, 12539)]