2019884080

素因数分解:

$2^4\times 5^1\times {\mathrm{25248551}}^1$

素因数の和:25248564

約数の個数: 20

約数和(自身を含む): 4696230672

約数和(自身を除く): 2676346592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25248551, 50497102, 100994204, 126242755, 201988408, 252485510, 403976816, 504971020, 1009942040, 2019884080]

約数ペア:

[(1, 2019884080), (2, 1009942040), (4, 504971020), (5, 403976816), (8, 252485510), (10, 201988408), (16, 126242755), (20, 100994204), (40, 50497102), (80, 25248551)]