9968080

素因数分解:

$2^4\times 5^1\times {\mathrm{124601}}^1$

素因数の和:124614

約数の個数: 20

約数和(自身を含む): 23175972

約数和(自身を除く): 13207892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124601, 249202, 498404, 623005, 996808, 1246010, 1993616, 2492020, 4984040, 9968080]

約数ペア:

[(1, 9968080), (2, 4984040), (4, 2492020), (5, 1993616), (8, 1246010), (10, 996808), (16, 623005), (20, 498404), (40, 249202), (80, 124601)]