1355440

素因数分解:

$2^4\times 5^1\times {\mathrm{16943}}^1$

素因数の和:16956

約数の個数: 20

約数和(自身を含む): 3151584

約数和(自身を除く): 1796144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16943, 33886, 67772, 84715, 135544, 169430, 271088, 338860, 677720, 1355440]

約数ペア:

[(1, 1355440), (2, 677720), (4, 338860), (5, 271088), (8, 169430), (10, 135544), (16, 84715), (20, 67772), (40, 33886), (80, 16943)]