51650740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 121968000

約数和(自身を除く): 70317260

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 43, 58, 76, 86, 95, 109, 116, 145, 172, 190, 215, 218, 290, 380, 430, 436, 545, 551, 580, 817, 860, 1090, 1102, 1247, 1634, 2071, 2180, 2204, 2494, 2755, 3161, 3268, 4085, 4142, 4687, 4988, 5510, 6235, 6322, 8170, 8284, 9374, 10355, 11020, 12470, 12644, 15805, 16340, 18748, 20710, 23435, 23693, 24940, 31610, 41420, 46870, 47386, 60059, 63220, 89053, 93740, 94772, 118465, 120118, 135923, 178106, 236930, 240236, 271846, 300295, 356212, 445265, 473860, 543692, 600590, 679615, 890530, 1201180, 1359230, 1781060, 2582537, 2718460, 5165074, 10330148, 12912685, 25825370, 51650740]

約数ペア:

[(1, 51650740), (2, 25825370), (4, 12912685), (5, 10330148), (10, 5165074), (19, 2718460), (20, 2582537), (29, 1781060), (38, 1359230), (43, 1201180), (58, 890530), (76, 679615), (86, 600590), (95, 543692), (109, 473860), (116, 445265), (145, 356212), (172, 300295), (190, 271846), (215, 240236), (218, 236930), (290, 178106), (380, 135923), (430, 120118), (436, 118465), (545, 94772), (551, 93740), (580, 89053), (817, 63220), (860, 60059), (1090, 47386), (1102, 46870), (1247, 41420), (1634, 31610), (2071, 24940), (2180, 23693), (2204, 23435), (2494, 20710), (2755, 18748), (3161, 16340), (3268, 15805), (4085, 12644), (4142, 12470), (4687, 11020), (4988, 10355), (5510, 9374), (6235, 8284), (6322, 8170)]