25568080

素因数分解:

$2^4\times 5^1\times {\mathrm{319601}}^1$

素因数の和:319614

約数の個数: 20

約数和(自身を含む): 59445972

約数和(自身を除く): 33877892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 319601, 639202, 1278404, 1598005, 2556808, 3196010, 5113616, 6392020, 12784040, 25568080]

約数ペア:

[(1, 25568080), (2, 12784040), (4, 6392020), (5, 5113616), (8, 3196010), (10, 2556808), (16, 1598005), (20, 1278404), (40, 639202), (80, 319601)]