6689020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2014

約数の個数: 36

約数和(自身を含む): 15218280

約数和(自身を除く): 8529260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1979, 3380, 3958, 7916, 9895, 19790, 25727, 39580, 51454, 102908, 128635, 257270, 334451, 514540, 668902, 1337804, 1672255, 3344510, 6689020]

約数ペア:

[(1, 6689020), (2, 3344510), (4, 1672255), (5, 1337804), (10, 668902), (13, 514540), (20, 334451), (26, 257270), (52, 128635), (65, 102908), (130, 51454), (169, 39580), (260, 25727), (338, 19790), (676, 9895), (845, 7916), (1690, 3958), (1979, 3380)]