50131280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5749}}^1$

素因数の和:5871

約数の個数: 40

約数和(自身を含む): 117645000

約数和(自身を除く): 67513720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5749, 8720, 11498, 22996, 28745, 45992, 57490, 91984, 114980, 229960, 459920, 626641, 1253282, 2506564, 3133205, 5013128, 6266410, 10026256, 12532820, 25065640, 50131280]

約数ペア:

[(1, 50131280), (2, 25065640), (4, 12532820), (5, 10026256), (8, 6266410), (10, 5013128), (16, 3133205), (20, 2506564), (40, 1253282), (80, 626641), (109, 459920), (218, 229960), (436, 114980), (545, 91984), (872, 57490), (1090, 45992), (1744, 28745), (2180, 22996), (4360, 11498), (5749, 8720)]