133280240

素因数分解:

$2^4\times 5^1\times {\mathrm{1666003}}^1$

素因数の和:1666016

約数の個数: 20

約数和(自身を含む): 309876744

約数和(自身を除く): 176596504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1666003, 3332006, 6664012, 8330015, 13328024, 16660030, 26656048, 33320060, 66640120, 133280240]

約数ペア:

[(1, 133280240), (2, 66640120), (4, 33320060), (5, 26656048), (8, 16660030), (10, 13328024), (16, 8330015), (20, 6664012), (40, 3332006), (80, 1666003)]