13138040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8011}}^1$

素因数の和:8063

約数の個数: 32

約数和(自身を含む): 30285360

約数和(自身を除く): 17147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 328451, 656902, 1313804, 1642255, 2627608, 3284510, 6569020, 13138040]

約数ペア:

[(1, 13138040), (2, 6569020), (4, 3284510), (5, 2627608), (8, 1642255), (10, 1313804), (20, 656902), (40, 328451), (41, 320440), (82, 160220), (164, 80110), (205, 64088), (328, 40055), (410, 32044), (820, 16022), (1640, 8011)]