2080663208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{645367}}^1$

素因数の和:645417

約数の個数: 32

約数和(自身を含む): 4336872960

約数和(自身を除く): 2256209752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 645367, 1290734, 2581468, 5162936, 8389771, 16779542, 20006377, 33559084, 40012754, 67118168, 80025508, 160051016, 260082901, 520165802, 1040331604, 2080663208]

約数ペア:

[(1, 2080663208), (2, 1040331604), (4, 520165802), (8, 260082901), (13, 160051016), (26, 80025508), (31, 67118168), (52, 40012754), (62, 33559084), (104, 20006377), (124, 16779542), (248, 8389771), (403, 5162936), (806, 2581468), (1612, 1290734), (3224, 645367)]