81852220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{95177}}^1$

素因数の和:95229

約数の個数: 24

約数和(自身を含む): 175888944

約数和(自身を除く): 94036724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 95177, 190354, 380708, 475885, 951770, 1903540, 4092611, 8185222, 16370444, 20463055, 40926110, 81852220]

約数ペア:

[(1, 81852220), (2, 40926110), (4, 20463055), (5, 16370444), (10, 8185222), (20, 4092611), (43, 1903540), (86, 951770), (172, 475885), (215, 380708), (430, 190354), (860, 95177)]