208040810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{205981}}^1$

素因数の和:206089

約数の個数: 16

約数和(自身を含む): 378182952

約数和(自身を除く): 170142142

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 205981, 411962, 1029905, 2059810, 20804081, 41608162, 104020405, 208040810]

約数ペア:

[(1, 208040810), (2, 104020405), (5, 41608162), (10, 20804081), (101, 2059810), (202, 1029905), (505, 411962), (1010, 205981)]