12315440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 28792800

約数和(自身を除く): 16477360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 599, 1028, 1198, 1285, 2056, 2396, 2570, 2995, 4112, 4792, 5140, 5990, 9584, 10280, 11980, 20560, 23960, 47920, 153943, 307886, 615772, 769715, 1231544, 1539430, 2463088, 3078860, 6157720, 12315440]

約数ペア:

[(1, 12315440), (2, 6157720), (4, 3078860), (5, 2463088), (8, 1539430), (10, 1231544), (16, 769715), (20, 615772), (40, 307886), (80, 153943), (257, 47920), (514, 23960), (599, 20560), (1028, 11980), (1198, 10280), (1285, 9584), (2056, 5990), (2396, 5140), (2570, 4792), (2995, 4112)]