1236700820

素因数分解:

$2^2\times 5^1\times {\mathrm{16007}}^1\times {\mathrm{3863}}^1$

素因数の和:19879

約数の個数: 24

約数和(自身を含む): 2597906304

約数和(自身を除く): 1361205484

約数列:

[1, 2, 4, 5, 10, 20, 3863, 7726, 15452, 16007, 19315, 32014, 38630, 64028, 77260, 80035, 160070, 320140, 61835041, 123670082, 247340164, 309175205, 618350410, 1236700820]

約数ペア:

[(1, 1236700820), (2, 618350410), (4, 309175205), (5, 247340164), (10, 123670082), (20, 61835041), (3863, 320140), (7726, 160070), (15452, 80035), (16007, 77260), (19315, 64028), (32014, 38630)]