12287840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 29529360

約数和(自身を除く): 17241520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1259, 1952, 2440, 2518, 4880, 5036, 6295, 9760, 10072, 12590, 20144, 25180, 40288, 50360, 76799, 100720, 153598, 201440, 307196, 383995, 614392, 767990, 1228784, 1535980, 2457568, 3071960, 6143920, 12287840]

約数ペア:

[(1, 12287840), (2, 6143920), (4, 3071960), (5, 2457568), (8, 1535980), (10, 1228784), (16, 767990), (20, 614392), (32, 383995), (40, 307196), (61, 201440), (80, 153598), (122, 100720), (160, 76799), (244, 50360), (305, 40288), (488, 25180), (610, 20144), (976, 12590), (1220, 10072), (1259, 9760), (1952, 6295), (2440, 5036), (2518, 4880)]