12822440

素因数分解:

$2^3\times 5^1\times {\mathrm{320561}}^1$

素因数の和:320572

約数の個数: 16

約数和(自身を含む): 28850580

約数和(自身を除く): 16028140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 320561, 641122, 1282244, 1602805, 2564488, 3205610, 6411220, 12822440]

約数ペア:

[(1, 12822440), (2, 6411220), (4, 3205610), (5, 2564488), (8, 1602805), (10, 1282244), (20, 641122), (40, 320561)]