20216573525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{2417}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 26445182400

約数和(自身を除く): 6228608875

約数列:

[1, 5, 25, 29, 83, 139, 145, 415, 695, 725, 2075, 2407, 2417, 3475, 4031, 11537, 12035, 12085, 20155, 57685, 60175, 60425, 70093, 100775, 200611, 288425, 334573, 335963, 350465, 1003055, 1672865, 1679815, 1752325, 5015275, 5817719, 8364325, 8399075, 9742927, 27884929, 29088595, 48714635, 139424645, 145442975, 243573175, 697123225, 808662941, 4043314705, 20216573525]

約数ペア:

[(1, 20216573525), (5, 4043314705), (25, 808662941), (29, 697123225), (83, 243573175), (139, 145442975), (145, 139424645), (415, 48714635), (695, 29088595), (725, 27884929), (2075, 9742927), (2407, 8399075), (2417, 8364325), (3475, 5817719), (4031, 5015275), (11537, 1752325), (12035, 1679815), (12085, 1672865), (20155, 1003055), (57685, 350465), (60175, 335963), (60425, 334573), (70093, 288425), (100775, 200611)]