13179740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 32320512

約数和(自身を除く): 19140772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2003, 3290, 4006, 6580, 8012, 10015, 14021, 20030, 28042, 40060, 56084, 70105, 94141, 140210, 188282, 280420, 376564, 470705, 658987, 941410, 1317974, 1882820, 2635948, 3294935, 6589870, 13179740]

約数ペア:

[(1, 13179740), (2, 6589870), (4, 3294935), (5, 2635948), (7, 1882820), (10, 1317974), (14, 941410), (20, 658987), (28, 470705), (35, 376564), (47, 280420), (70, 188282), (94, 140210), (140, 94141), (188, 70105), (235, 56084), (329, 40060), (470, 28042), (658, 20030), (940, 14021), (1316, 10015), (1645, 8012), (2003, 6580), (3290, 4006)]