2018461520

素因数分解:

$2^4\times 5^1\times {\mathrm{25230769}}^1$

素因数の和:25230782

約数の個数: 20

約数和(自身を含む): 4692923220

約数和(自身を除く): 2674461700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25230769, 50461538, 100923076, 126153845, 201846152, 252307690, 403692304, 504615380, 1009230760, 2018461520]

約数ペア:

[(1, 2018461520), (2, 1009230760), (4, 504615380), (5, 403692304), (8, 252307690), (10, 201846152), (16, 126153845), (20, 100923076), (40, 50461538), (80, 25230769)]