1555260020

素因数分解:

$2^2\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{26459}}^1$

素因数の和:29407

約数の個数: 24

約数和(自身を含む): 3267280800

約数和(自身を除く): 1712020780

約数列:

[1, 2, 4, 5, 10, 20, 2939, 5878, 11756, 14695, 26459, 29390, 52918, 58780, 105836, 132295, 264590, 529180, 77763001, 155526002, 311052004, 388815005, 777630010, 1555260020]

約数ペア:

[(1, 1555260020), (2, 777630010), (4, 388815005), (5, 311052004), (10, 155526002), (20, 77763001), (2939, 529180), (5878, 264590), (11756, 132295), (14695, 105836), (26459, 58780), (29390, 52918)]