2528080

素因数分解:

$2^4\times 5^1\times {\mathrm{31601}}^1$

素因数の和:31614

約数の個数: 20

約数和(自身を含む): 5877972

約数和(自身を除く): 3349892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31601, 63202, 126404, 158005, 252808, 316010, 505616, 632020, 1264040, 2528080]

約数ペア:

[(1, 2528080), (2, 1264040), (4, 632020), (5, 505616), (8, 316010), (10, 252808), (16, 158005), (20, 126404), (40, 63202), (80, 31601)]