2080338640

素因数分解:

$2^4\times 5^1\times {\mathrm{26004233}}^1$

素因数の和:26004246

約数の個数: 20

約数和(自身を含む): 4836787524

約数和(自身を除く): 2756448884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26004233, 52008466, 104016932, 130021165, 208033864, 260042330, 416067728, 520084660, 1040169320, 2080338640]

約数ペア:

[(1, 2080338640), (2, 1040169320), (4, 520084660), (5, 416067728), (8, 260042330), (10, 208033864), (16, 130021165), (20, 104016932), (40, 52008466), (80, 26004233)]