12855920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1$

素因数の和:2118

約数の個数: 80

約数和(自身を含む): 37283328

約数和(自身を除く): 24427408

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2087, 3080, 4174, 6160, 8348, 10435, 14609, 16696, 20870, 22957, 29218, 33392, 41740, 45914, 58436, 73045, 83480, 91828, 114785, 116872, 146090, 160699, 166960, 183656, 229570, 233744, 292180, 321398, 367312, 459140, 584360, 642796, 803495, 918280, 1168720, 1285592, 1606990, 1836560, 2571184, 3213980, 6427960, 12855920]

約数ペア:

[(1, 12855920), (2, 6427960), (4, 3213980), (5, 2571184), (7, 1836560), (8, 1606990), (10, 1285592), (11, 1168720), (14, 918280), (16, 803495), (20, 642796), (22, 584360), (28, 459140), (35, 367312), (40, 321398), (44, 292180), (55, 233744), (56, 229570), (70, 183656), (77, 166960), (80, 160699), (88, 146090), (110, 116872), (112, 114785), (140, 91828), (154, 83480), (176, 73045), (220, 58436), (280, 45914), (308, 41740), (385, 33392), (440, 29218), (560, 22957), (616, 20870), (770, 16696), (880, 14609), (1232, 10435), (1540, 8348), (2087, 6160), (3080, 4174)]