25868140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18217}}^1$

素因数の和:18297

約数の個数: 24

約数和(自身を含む): 55091232

約数和(自身を除く): 29223092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18217, 36434, 72868, 91085, 182170, 364340, 1293407, 2586814, 5173628, 6467035, 12934070, 25868140]

約数ペア:

[(1, 25868140), (2, 12934070), (4, 6467035), (5, 5173628), (10, 2586814), (20, 1293407), (71, 364340), (142, 182170), (284, 91085), (355, 72868), (710, 36434), (1420, 18217)]