12289520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 28792800

約数和(自身を除く): 16503280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1031, 1192, 1490, 2062, 2384, 2980, 4124, 5155, 5960, 8248, 10310, 11920, 16496, 20620, 41240, 82480, 153619, 307238, 614476, 768095, 1228952, 1536190, 2457904, 3072380, 6144760, 12289520]

約数ペア:

[(1, 12289520), (2, 6144760), (4, 3072380), (5, 2457904), (8, 1536190), (10, 1228952), (16, 768095), (20, 614476), (40, 307238), (80, 153619), (149, 82480), (298, 41240), (596, 20620), (745, 16496), (1031, 11920), (1192, 10310), (1490, 8248), (2062, 5960), (2384, 5155), (2980, 4124)]