848669980

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{65993}}^1$

素因数の和:66645

約数の個数: 24

約数和(自身を含む): 1785005712

約数和(自身を除く): 936335732

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 65993, 131986, 263972, 329965, 659930, 1319860, 42433499, 84866998, 169733996, 212167495, 424334990, 848669980]

約数ペア:

[(1, 848669980), (2, 424334990), (4, 212167495), (5, 169733996), (10, 84866998), (20, 42433499), (643, 1319860), (1286, 659930), (2572, 329965), (3215, 263972), (6430, 131986), (12860, 65993)]