327340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 740880

約数和(自身を除く): 413540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1259, 2518, 5036, 6295, 12590, 16367, 25180, 32734, 65468, 81835, 163670, 327340]

約数ペア:

[(1, 327340), (2, 163670), (4, 81835), (5, 65468), (10, 32734), (13, 25180), (20, 16367), (26, 12590), (52, 6295), (65, 5036), (130, 2518), (260, 1259)]