25865240

素因数分解:

$2^3\times 5^1\times {\mathrm{646631}}^1$

素因数の和:646642

約数の個数: 16

約数和(自身を含む): 58196880

約数和(自身を除く): 32331640

約数列:

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

約数ペア:

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