8142029780

素因数分解:

$2^2\times 5^1\times {\mathrm{407101489}}^1$

素因数の和:407101498

約数の個数: 12

約数和(自身を含む): 17098262580

約数和(自身を除く): 8956232800

約数列:

[1, 2, 4, 5, 10, 20, 407101489, 814202978, 1628405956, 2035507445, 4071014890, 8142029780]

約数ペア:

[(1, 8142029780), (2, 4071014890), (4, 2035507445), (5, 1628405956), (10, 814202978), (20, 407101489)]