54548620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20507}}^1$

素因数の和:20542

約数の個数: 48

約数和(自身を含む): 137813760

約数和(自身を除く): 83265140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20507, 41014, 82028, 102535, 143549, 205070, 287098, 389633, 410140, 574196, 717745, 779266, 1435490, 1558532, 1948165, 2727431, 2870980, 3896330, 5454862, 7792660, 10909724, 13637155, 27274310, 54548620]

約数ペア:

[(1, 54548620), (2, 27274310), (4, 13637155), (5, 10909724), (7, 7792660), (10, 5454862), (14, 3896330), (19, 2870980), (20, 2727431), (28, 1948165), (35, 1558532), (38, 1435490), (70, 779266), (76, 717745), (95, 574196), (133, 410140), (140, 389633), (190, 287098), (266, 205070), (380, 143549), (532, 102535), (665, 82028), (1330, 41014), (2660, 20507)]