217105760

素因数分解:

$2^5\times 5^1\times {\mathrm{1356911}}^1$

素因数の和:1356926

約数の個数: 24

約数和(自身を含む): 512912736

約数和(自身を除く): 295806976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1356911, 2713822, 5427644, 6784555, 10855288, 13569110, 21710576, 27138220, 43421152, 54276440, 108552880, 217105760]

約数ペア:

[(1, 217105760), (2, 108552880), (4, 54276440), (5, 43421152), (8, 27138220), (10, 21710576), (16, 13569110), (20, 10855288), (32, 6784555), (40, 5427644), (80, 2713822), (160, 1356911)]