2009091725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{1549}}^1\times {\mathrm{1789}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 2580285000

約数和(自身を除く): 571193275

約数列:

[1, 5, 25, 29, 145, 725, 1549, 1789, 7745, 8945, 38725, 44725, 44921, 51881, 224605, 259405, 1123025, 1297025, 2771161, 13855805, 69279025, 80363669, 401818345, 2009091725]

約数ペア:

[(1, 2009091725), (5, 401818345), (25, 80363669), (29, 69279025), (145, 13855805), (725, 2771161), (1549, 1297025), (1789, 1123025), (7745, 259405), (8945, 224605), (38725, 51881), (44725, 44921)]