9008080

素因数分解:

$2^4\times 5^1\times {\mathrm{112601}}^1$

素因数の和:112614

約数の個数: 20

約数和(自身を含む): 20943972

約数和(自身を除く): 11935892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112601, 225202, 450404, 563005, 900808, 1126010, 1801616, 2252020, 4504040, 9008080]

約数ペア:

[(1, 9008080), (2, 4504040), (4, 2252020), (5, 1801616), (8, 1126010), (10, 900808), (16, 563005), (20, 450404), (40, 225202), (80, 112601)]