2051205130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15778501}}^1$

素因数の和:15778521

約数の個数: 16

約数和(自身を含む): 3976182504

約数和(自身を除く): 1924977374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15778501, 31557002, 78892505, 157785010, 205120513, 410241026, 1025602565, 2051205130]

約数ペア:

[(1, 2051205130), (2, 1025602565), (5, 410241026), (10, 205120513), (13, 157785010), (26, 78892505), (65, 31557002), (130, 15778501)]