25629700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1512

約数の個数: 36

約数和(自身を含む): 55941732

約数和(自身を除く): 30312032

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1301, 1970, 2602, 3940, 4925, 5204, 6505, 9850, 13010, 19700, 26020, 32525, 65050, 130100, 256297, 512594, 1025188, 1281485, 2562970, 5125940, 6407425, 12814850, 25629700]

約数ペア:

[(1, 25629700), (2, 12814850), (4, 6407425), (5, 5125940), (10, 2562970), (20, 1281485), (25, 1025188), (50, 512594), (100, 256297), (197, 130100), (394, 65050), (788, 32525), (985, 26020), (1301, 19700), (1970, 13010), (2602, 9850), (3940, 6505), (4925, 5204)]