427487380

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{39509}}^1$

素因数の和:40059

約数の個数: 24

約数和(自身を含む): 899405640

約数和(自身を除く): 471918260

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 39509, 79018, 158036, 197545, 395090, 790180, 21374369, 42748738, 85497476, 106871845, 213743690, 427487380]

約数ペア:

[(1, 427487380), (2, 213743690), (4, 106871845), (5, 85497476), (10, 42748738), (20, 21374369), (541, 790180), (1082, 395090), (2164, 197545), (2705, 158036), (5410, 79018), (10820, 39509)]