201810040

素因数分解:

$2^3\times 5^1\times {\mathrm{5045251}}^1$

素因数の和:5045262

約数の個数: 16

約数和(自身を含む): 454072680

約数和(自身を除く): 252262640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5045251, 10090502, 20181004, 25226255, 40362008, 50452510, 100905020, 201810040]

約数ペア:

[(1, 201810040), (2, 100905020), (4, 50452510), (5, 40362008), (8, 25226255), (10, 20181004), (20, 10090502), (40, 5045251)]