1291245260

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{104639}}^1$

素因数の和:105265

約数の個数: 24

約数和(自身を含む): 2716035840

約数和(自身を除く): 1424790580

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 104639, 209278, 418556, 523195, 1046390, 2092780, 64562263, 129124526, 258249052, 322811315, 645622630, 1291245260]

約数ペア:

[(1, 1291245260), (2, 645622630), (4, 322811315), (5, 258249052), (10, 129124526), (20, 64562263), (617, 2092780), (1234, 1046390), (2468, 523195), (3085, 418556), (6170, 209278), (12340, 104639)]