26451220

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1607}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 55649664

約数和(自身を除く): 29198444

約数列:

[1, 2, 4, 5, 10, 20, 823, 1607, 1646, 3214, 3292, 4115, 6428, 8035, 8230, 16070, 16460, 32140, 1322561, 2645122, 5290244, 6612805, 13225610, 26451220]

約数ペア:

[(1, 26451220), (2, 13225610), (4, 6612805), (5, 5290244), (10, 2645122), (20, 1322561), (823, 32140), (1607, 16460), (1646, 16070), (3214, 8230), (3292, 8035), (4115, 6428)]