201716980

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{8011}}^1$

素因数の和:9279

約数の個数: 24

約数和(自身を含む): 423995040

約数和(自身を除く): 222278060

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 5036, 6295, 8011, 12590, 16022, 25180, 32044, 40055, 80110, 160220, 10085849, 20171698, 40343396, 50429245, 100858490, 201716980]

約数ペア:

[(1, 201716980), (2, 100858490), (4, 50429245), (5, 40343396), (10, 20171698), (20, 10085849), (1259, 160220), (2518, 80110), (5036, 40055), (6295, 32044), (8011, 25180), (12590, 16022)]