165062440

素因数分解:

$2^3\times 5^1\times {\mathrm{4126561}}^1$

素因数の和:4126572

約数の個数: 16

約数和(自身を含む): 371390580

約数和(自身を除く): 206328140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4126561, 8253122, 16506244, 20632805, 33012488, 41265610, 82531220, 165062440]

約数ペア:

[(1, 165062440), (2, 82531220), (4, 41265610), (5, 33012488), (8, 20632805), (10, 16506244), (20, 8253122), (40, 4126561)]