88488140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340339}}^1$

素因数の和:340361

約数の個数: 24

約数和(自身を含む): 200119920

約数和(自身を除く): 111631780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 340339, 680678, 1361356, 1701695, 3403390, 4424407, 6806780, 8848814, 17697628, 22122035, 44244070, 88488140]

約数ペア:

[(1, 88488140), (2, 44244070), (4, 22122035), (5, 17697628), (10, 8848814), (13, 6806780), (20, 4424407), (26, 3403390), (52, 1701695), (65, 1361356), (130, 680678), (260, 340339)]