4088045380

素因数分解:

$2^2\times 5^1\times {\mathrm{204402269}}^1$

素因数の和:204402278

約数の個数: 12

約数和(自身を含む): 8584895340

約数和(自身を除く): 4496849960

約数列:

[1, 2, 4, 5, 10, 20, 204402269, 408804538, 817609076, 1022011345, 2044022690, 4088045380]

約数ペア:

[(1, 4088045380), (2, 2044022690), (4, 1022011345), (5, 817609076), (10, 408804538), (20, 204402269)]