56290480

素因数分解:

$2^4\times 5^1\times {\mathrm{703631}}^1$

素因数の和:703644

約数の個数: 20

約数和(自身を含む): 130875552

約数和(自身を除く): 74585072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 703631, 1407262, 2814524, 3518155, 5629048, 7036310, 11258096, 14072620, 28145240, 56290480]

約数ペア:

[(1, 56290480), (2, 28145240), (4, 14072620), (5, 11258096), (8, 7036310), (10, 5629048), (16, 3518155), (20, 2814524), (40, 1407262), (80, 703631)]