165640810

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{25841}}^1$

素因数の和:26489

約数の個数: 16

約数和(自身を含む): 298630152

約数和(自身を除く): 132989342

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 25841, 51682, 129205, 258410, 16564081, 33128162, 82820405, 165640810]

約数ペア:

[(1, 165640810), (2, 82820405), (5, 33128162), (10, 16564081), (641, 258410), (1282, 129205), (3205, 51682), (6410, 25841)]