68106980

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4327}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 143239488

約数和(自身を除く): 75132508

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 4327, 7870, 8654, 15740, 17308, 21635, 43270, 86540, 3405349, 6810698, 13621396, 17026745, 34053490, 68106980]

約数ペア:

[(1, 68106980), (2, 34053490), (4, 17026745), (5, 13621396), (10, 6810698), (20, 3405349), (787, 86540), (1574, 43270), (3148, 21635), (3935, 17308), (4327, 15740), (7870, 8654)]