128780498540

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1031}}^1\times {\mathrm{6637}}^1$

素因数の和:8618

約数の個数: 48

約数和(自身を含む): 271029858624

約数和(自身を除く): 142249360084

約数列:

[1, 2, 4, 5, 10, 20, 941, 1031, 1882, 2062, 3764, 4124, 4705, 5155, 6637, 9410, 10310, 13274, 18820, 20620, 26548, 33185, 66370, 132740, 970171, 1940342, 3880684, 4850855, 6245417, 6842747, 9701710, 12490834, 13685494, 19403420, 24981668, 27370988, 31227085, 34213735, 62454170, 68427470, 124908340, 136854940, 6439024927, 12878049854, 25756099708, 32195124635, 64390249270, 128780498540]

約数ペア:

[(1, 128780498540), (2, 64390249270), (4, 32195124635), (5, 25756099708), (10, 12878049854), (20, 6439024927), (941, 136854940), (1031, 124908340), (1882, 68427470), (2062, 62454170), (3764, 34213735), (4124, 31227085), (4705, 27370988), (5155, 24981668), (6637, 19403420), (9410, 13685494), (10310, 12490834), (13274, 9701710), (18820, 6842747), (20620, 6245417), (26548, 4850855), (33185, 3880684), (66370, 1940342), (132740, 970171)]