25008080

素因数分解:

$2^4\times 5^1\times {\mathrm{312601}}^1$

素因数の和:312614

約数の個数: 20

約数和(自身を含む): 58143972

約数和(自身を除く): 33135892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 312601, 625202, 1250404, 1563005, 2500808, 3126010, 5001616, 6252020, 12504040, 25008080]

約数ペア:

[(1, 25008080), (2, 12504040), (4, 6252020), (5, 5001616), (8, 3126010), (10, 2500808), (16, 1563005), (20, 1250404), (40, 625202), (80, 312601)]