848080

素因数分解:

$2^4\times 5^1\times {\mathrm{10601}}^1$

素因数の和:10614

約数の個数: 20

約数和(自身を含む): 1971972

約数和(自身を除く): 1123892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10601, 21202, 42404, 53005, 84808, 106010, 169616, 212020, 424040, 848080]

約数ペア:

[(1, 848080), (2, 424040), (4, 212020), (5, 169616), (8, 106010), (10, 84808), (16, 53005), (20, 42404), (40, 21202), (80, 10601)]