16640810

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13103}}^1$

素因数の和:13237

約数の個数: 16

約数和(自身を含む): 30191616

約数和(自身を除く): 13550806

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 13103, 26206, 65515, 131030, 1664081, 3328162, 8320405, 16640810]

約数ペア:

[(1, 16640810), (2, 8320405), (5, 3328162), (10, 1664081), (127, 131030), (254, 65515), (635, 26206), (1270, 13103)]