13117780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3881}}^1$

素因数の和:3916

約数の個数: 36

約数和(自身を含む): 29837052

約数和(自身を除く): 16719272

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3881, 7762, 15524, 19405, 38810, 50453, 77620, 100906, 201812, 252265, 504530, 655889, 1009060, 1311778, 2623556, 3279445, 6558890, 13117780]

約数ペア:

[(1, 13117780), (2, 6558890), (4, 3279445), (5, 2623556), (10, 1311778), (13, 1009060), (20, 655889), (26, 504530), (52, 252265), (65, 201812), (130, 100906), (169, 77620), (260, 50453), (338, 38810), (676, 19405), (845, 15524), (1690, 7762), (3380, 3881)]