68559940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17401}}^1$

素因数の和:17607

約数の個数: 24

約数和(自身を含む): 144715032

約数和(自身を除く): 76155092

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 17401, 34802, 69604, 87005, 174010, 348020, 3427997, 6855994, 13711988, 17139985, 34279970, 68559940]

約数ペア:

[(1, 68559940), (2, 34279970), (4, 17139985), (5, 13711988), (10, 6855994), (20, 3427997), (197, 348020), (394, 174010), (788, 87005), (985, 69604), (1970, 34802), (3940, 17401)]