51730480

素因数分解:

$2^4\times 5^1\times {\mathrm{646631}}^1$

素因数の和:646644

約数の個数: 20

約数和(自身を含む): 120273552

約数和(自身を除く): 68543072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646631, 1293262, 2586524, 3233155, 5173048, 6466310, 10346096, 12932620, 25865240, 51730480]

約数ペア:

[(1, 51730480), (2, 25865240), (4, 12932620), (5, 10346096), (8, 6466310), (10, 5173048), (16, 3233155), (20, 2586524), (40, 1293262), (80, 646631)]