2057384680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3956509}}^1$

素因数の和:3956533

約数の個数: 32

約数和(自身を含む): 4985202600

約数和(自身を除く): 2927817920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3956509, 7913018, 15826036, 19782545, 31652072, 39565090, 51434617, 79130180, 102869234, 158260360, 205738468, 257173085, 411476936, 514346170, 1028692340, 2057384680]

約数ペア:

[(1, 2057384680), (2, 1028692340), (4, 514346170), (5, 411476936), (8, 257173085), (10, 205738468), (13, 158260360), (20, 102869234), (26, 79130180), (40, 51434617), (52, 39565090), (65, 31652072), (104, 19782545), (130, 15826036), (260, 7913018), (520, 3956509)]