211422080

素因数分解:

$2^7\times 5^1\times {\mathrm{330347}}^1$

素因数の和:330366

約数の個数: 32

約数和(自身を含む): 505432440

約数和(自身を除く): 294010360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 330347, 660694, 1321388, 1651735, 2642776, 3303470, 5285552, 6606940, 10571104, 13213880, 21142208, 26427760, 42284416, 52855520, 105711040, 211422080]

約数ペア:

[(1, 211422080), (2, 105711040), (4, 52855520), (5, 42284416), (8, 26427760), (10, 21142208), (16, 13213880), (20, 10571104), (32, 6606940), (40, 5285552), (64, 3303470), (80, 2642776), (128, 1651735), (160, 1321388), (320, 660694), (640, 330347)]