27812080

素因数分解:

$2^4\times 5^1\times {\mathrm{347651}}^1$

素因数の和:347664

約数の個数: 20

約数和(自身を含む): 64663272

約数和(自身を除く): 36851192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347651, 695302, 1390604, 1738255, 2781208, 3476510, 5562416, 6953020, 13906040, 27812080]

約数ペア:

[(1, 27812080), (2, 13906040), (4, 6953020), (5, 5562416), (8, 3476510), (10, 2781208), (16, 1738255), (20, 1390604), (40, 695302), (80, 347651)]