80816420

素因数分解:

$2^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{3697}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 169915704

約数和(自身を除く): 89099284

約数列:

[1, 2, 4, 5, 10, 20, 1093, 2186, 3697, 4372, 5465, 7394, 10930, 14788, 18485, 21860, 36970, 73940, 4040821, 8081642, 16163284, 20204105, 40408210, 80816420]

約数ペア:

[(1, 80816420), (2, 40408210), (4, 20204105), (5, 16163284), (10, 8081642), (20, 4040821), (1093, 73940), (2186, 36970), (3697, 21860), (4372, 18485), (5465, 14788), (7394, 10930)]