25180880

素因数分解:

$2^4\times 5^1\times {\mathrm{314761}}^1$

素因数の和:314774

約数の個数: 20

約数和(自身を含む): 58545732

約数和(自身を除く): 33364852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314761, 629522, 1259044, 1573805, 2518088, 3147610, 5036176, 6295220, 12590440, 25180880]

約数ペア:

[(1, 25180880), (2, 12590440), (4, 6295220), (5, 5036176), (8, 3147610), (10, 2518088), (16, 1573805), (20, 1259044), (40, 629522), (80, 314761)]