2017188080

素因数分解:

$2^4\times 5^1\times {\mathrm{25214851}}^1$

素因数の和:25214864

約数の個数: 20

約数和(自身を含む): 4689962472

約数和(自身を除く): 2672774392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25214851, 50429702, 100859404, 126074255, 201718808, 252148510, 403437616, 504297020, 1008594040, 2017188080]

約数ペア:

[(1, 2017188080), (2, 1008594040), (4, 504297020), (5, 403437616), (8, 252148510), (10, 201718808), (16, 126074255), (20, 100859404), (40, 50429702), (80, 25214851)]