2631380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3209}}^1$

素因数の和:3259

約数の個数: 24

約数和(自身を含む): 5662440

約数和(自身を除く): 3031060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3209, 6418, 12836, 16045, 32090, 64180, 131569, 263138, 526276, 657845, 1315690, 2631380]

約数ペア:

[(1, 2631380), (2, 1315690), (4, 657845), (5, 526276), (10, 263138), (20, 131569), (41, 64180), (82, 32090), (164, 16045), (205, 12836), (410, 6418), (820, 3209)]