2580307970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1309801}}^1$

素因数の和:1310005

約数の個数: 16

約数和(自身を含む): 4668134328

約数和(自身を除く): 2087826358

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 1309801, 2619602, 6549005, 13098010, 258030797, 516061594, 1290153985, 2580307970]

約数ペア:

[(1, 2580307970), (2, 1290153985), (5, 516061594), (10, 258030797), (197, 13098010), (394, 6549005), (985, 2619602), (1970, 1309801)]