201565880

素因数分解:

$2^3\times 5^1\times {\mathrm{5039147}}^1$

素因数の和:5039158

約数の個数: 16

約数和(自身を含む): 453523320

約数和(自身を除く): 251957440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039147, 10078294, 20156588, 25195735, 40313176, 50391470, 100782940, 201565880]

約数ペア:

[(1, 201565880), (2, 100782940), (4, 50391470), (5, 40313176), (8, 25195735), (10, 20156588), (20, 10078294), (40, 5039147)]