80820070

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{5023}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 145595520

約数和(自身を除く): 64775450

約数列:

[1, 2, 5, 10, 1609, 3218, 5023, 8045, 10046, 16090, 25115, 50230, 8082007, 16164014, 40410035, 80820070]

約数ペア:

[(1, 80820070), (2, 40410035), (5, 16164014), (10, 8082007), (1609, 50230), (3218, 25115), (5023, 16090), (8045, 10046)]