2563340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9881

約数の個数: 24

約数和(自身を含む): 5797680

約数和(自身を除く): 3234340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9859, 19718, 39436, 49295, 98590, 128167, 197180, 256334, 512668, 640835, 1281670, 2563340]

約数ペア:

[(1, 2563340), (2, 1281670), (4, 640835), (5, 512668), (10, 256334), (13, 197180), (20, 128167), (26, 98590), (52, 49295), (65, 39436), (130, 19718), (260, 9859)]