128620010

素因数分解:

$2^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{21401}}^1$

素因数の和:22009

約数の個数: 16

約数和(自身を含む): 231912072

約数和(自身を除く): 103292062

約数列:

[1, 2, 5, 10, 601, 1202, 3005, 6010, 21401, 42802, 107005, 214010, 12862001, 25724002, 64310005, 128620010]

約数ペア:

[(1, 128620010), (2, 64310005), (5, 25724002), (10, 12862001), (601, 214010), (1202, 107005), (3005, 42802), (6010, 21401)]