6640010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3929}}^1$

素因数の和:3962

約数の個数: 24

約数和(自身を含む): 12945420

約数和(自身を除く): 6305410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 3929, 7858, 19645, 39290, 51077, 102154, 255385, 510770, 664001, 1328002, 3320005, 6640010]

約数ペア:

[(1, 6640010), (2, 3320005), (5, 1328002), (10, 664001), (13, 510770), (26, 255385), (65, 102154), (130, 51077), (169, 39290), (338, 19645), (845, 7858), (1690, 3929)]