1826490620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1286261}}^1$

素因数の和:1286341

約数の個数: 24

約数和(自身を含む): 3889656288

約数和(自身を除く): 2063165668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1286261, 2572522, 5145044, 6431305, 12862610, 25725220, 91324531, 182649062, 365298124, 456622655, 913245310, 1826490620]

約数ペア:

[(1, 1826490620), (2, 913245310), (4, 456622655), (5, 365298124), (10, 182649062), (20, 91324531), (71, 25725220), (142, 12862610), (284, 6431305), (355, 5145044), (710, 2572522), (1420, 1286261)]