131030810

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{80387}}^1$

素因数の和:80557

約数の個数: 16

約数和(自身を含む): 237305376

約数和(自身を除く): 106274566

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 80387, 160774, 401935, 803870, 13103081, 26206162, 65515405, 131030810]

約数ペア:

[(1, 131030810), (2, 65515405), (5, 26206162), (10, 13103081), (163, 803870), (326, 401935), (815, 160774), (1630, 80387)]