56420420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{403003}}^1$

素因数の和:403019

約数の個数: 24

約数和(自身を含む): 135409344

約数和(自身を除く): 78988924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 403003, 806006, 1612012, 2015015, 2821021, 4030030, 5642042, 8060060, 11284084, 14105105, 28210210, 56420420]

約数ペア:

[(1, 56420420), (2, 28210210), (4, 14105105), (5, 11284084), (7, 8060060), (10, 5642042), (14, 4030030), (20, 2821021), (28, 2015015), (35, 1612012), (70, 806006), (140, 403003)]