80212220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{364601}}^1$

素因数の和:364621

約数の個数: 24

約数和(自身を含む): 183759408

約数和(自身を除く): 103547188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 364601, 729202, 1458404, 1823005, 3646010, 4010611, 7292020, 8021222, 16042444, 20053055, 40106110, 80212220]

約数ペア:

[(1, 80212220), (2, 40106110), (4, 20053055), (5, 16042444), (10, 8021222), (11, 7292020), (20, 4010611), (22, 3646010), (44, 1823005), (55, 1458404), (110, 729202), (220, 364601)]