31022540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15991}}^1$

素因数の和:16097

約数の個数: 24

約数和(自身を含む): 65823072

約数和(自身を除く): 34800532

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 15991, 31982, 63964, 79955, 159910, 319820, 1551127, 3102254, 6204508, 7755635, 15511270, 31022540]

約数ペア:

[(1, 31022540), (2, 15511270), (4, 7755635), (5, 6204508), (10, 3102254), (20, 1551127), (97, 319820), (194, 159910), (388, 79955), (485, 63964), (970, 31982), (1940, 15991)]