50999720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 118800000

約数和(自身を除く): 67800280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 199, 215, 298, 344, 398, 430, 596, 745, 796, 860, 995, 1192, 1490, 1592, 1720, 1990, 2980, 3980, 5960, 6407, 7960, 8557, 12814, 17114, 25628, 29651, 32035, 34228, 42785, 51256, 59302, 64070, 68456, 85570, 118604, 128140, 148255, 171140, 237208, 256280, 296510, 342280, 593020, 1186040, 1274993, 2549986, 5099972, 6374965, 10199944, 12749930, 25499860, 50999720]

約数ペア:

[(1, 50999720), (2, 25499860), (4, 12749930), (5, 10199944), (8, 6374965), (10, 5099972), (20, 2549986), (40, 1274993), (43, 1186040), (86, 593020), (149, 342280), (172, 296510), (199, 256280), (215, 237208), (298, 171140), (344, 148255), (398, 128140), (430, 118604), (596, 85570), (745, 68456), (796, 64070), (860, 59302), (995, 51256), (1192, 42785), (1490, 34228), (1592, 32035), (1720, 29651), (1990, 25628), (2980, 17114), (3980, 12814), (5960, 8557), (6407, 7960)]