12648220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48647}}^1$

素因数の和:48669

約数の個数: 24

約数和(自身を含む): 28605024

約数和(自身を除く): 15956804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48647, 97294, 194588, 243235, 486470, 632411, 972940, 1264822, 2529644, 3162055, 6324110, 12648220]

約数ペア:

[(1, 12648220), (2, 6324110), (4, 3162055), (5, 2529644), (10, 1264822), (13, 972940), (20, 632411), (26, 486470), (52, 243235), (65, 194588), (130, 97294), (260, 48647)]