888947020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3419027}}^1$

素因数の和:3419049

約数の個数: 24

約数和(自身を含む): 2010388464

約数和(自身を除く): 1121441444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3419027, 6838054, 13676108, 17095135, 34190270, 44447351, 68380540, 88894702, 177789404, 222236755, 444473510, 888947020]

約数ペア:

[(1, 888947020), (2, 444473510), (4, 222236755), (5, 177789404), (10, 88894702), (13, 68380540), (20, 44447351), (26, 34190270), (52, 17095135), (65, 13676108), (130, 6838054), (260, 3419027)]