12443440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 29216880

約数和(自身を除く): 16773440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1427, 1744, 2180, 2854, 4360, 5708, 7135, 8720, 11416, 14270, 22832, 28540, 57080, 114160, 155543, 311086, 622172, 777715, 1244344, 1555430, 2488688, 3110860, 6221720, 12443440]

約数ペア:

[(1, 12443440), (2, 6221720), (4, 3110860), (5, 2488688), (8, 1555430), (10, 1244344), (16, 777715), (20, 622172), (40, 311086), (80, 155543), (109, 114160), (218, 57080), (436, 28540), (545, 22832), (872, 14270), (1090, 11416), (1427, 8720), (1744, 7135), (2180, 5708), (2854, 4360)]