18040640

素因数分解:

$2^6\times 5^1\times {\mathrm{56377}}^1$

素因数の和:56394

約数の個数: 28

約数和(自身を含む): 42960036

約数和(自身を除く): 24919396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56377, 112754, 225508, 281885, 451016, 563770, 902032, 1127540, 1804064, 2255080, 3608128, 4510160, 9020320, 18040640]

約数ペア:

[(1, 18040640), (2, 9020320), (4, 4510160), (5, 3608128), (8, 2255080), (10, 1804064), (16, 1127540), (20, 902032), (32, 563770), (40, 451016), (64, 281885), (80, 225508), (160, 112754), (320, 56377)]