13148120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 16573480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1279, 1285, 2056, 2558, 2570, 5116, 5140, 6395, 10232, 10280, 12790, 25580, 51160, 328703, 657406, 1314812, 1643515, 2629624, 3287030, 6574060, 13148120]

約数ペア:

[(1, 13148120), (2, 6574060), (4, 3287030), (5, 2629624), (8, 1643515), (10, 1314812), (20, 657406), (40, 328703), (257, 51160), (514, 25580), (1028, 12790), (1279, 10280), (1285, 10232), (2056, 6395), (2558, 5140), (2570, 5116)]