87766960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 212040000

約数和(自身を除く): 124273040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 149, 185, 199, 296, 298, 370, 398, 592, 596, 740, 745, 796, 995, 1192, 1480, 1490, 1592, 1990, 2384, 2960, 2980, 3184, 3980, 5513, 5960, 7363, 7960, 11026, 11920, 14726, 15920, 22052, 27565, 29452, 29651, 36815, 44104, 55130, 58904, 59302, 73630, 88208, 110260, 117808, 118604, 147260, 148255, 220520, 237208, 294520, 296510, 441040, 474416, 589040, 593020, 1097087, 1186040, 2194174, 2372080, 4388348, 5485435, 8776696, 10970870, 17553392, 21941740, 43883480, 87766960]

約数ペア:

[(1, 87766960), (2, 43883480), (4, 21941740), (5, 17553392), (8, 10970870), (10, 8776696), (16, 5485435), (20, 4388348), (37, 2372080), (40, 2194174), (74, 1186040), (80, 1097087), (148, 593020), (149, 589040), (185, 474416), (199, 441040), (296, 296510), (298, 294520), (370, 237208), (398, 220520), (592, 148255), (596, 147260), (740, 118604), (745, 117808), (796, 110260), (995, 88208), (1192, 73630), (1480, 59302), (1490, 58904), (1592, 55130), (1990, 44104), (2384, 36815), (2960, 29651), (2980, 29452), (3184, 27565), (3980, 22052), (5513, 15920), (5960, 14726), (7363, 11920), (7960, 11026)]