129363560

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10399}}^1$

素因数の和:10721

約数の個数: 32

約数和(自身を含む): 292032000

約数和(自身を除く): 162668440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 10399, 12440, 20798, 41596, 51995, 83192, 103990, 207980, 415960, 3234089, 6468178, 12936356, 16170445, 25872712, 32340890, 64681780, 129363560]

約数ペア:

[(1, 129363560), (2, 64681780), (4, 32340890), (5, 25872712), (8, 16170445), (10, 12936356), (20, 6468178), (40, 3234089), (311, 415960), (622, 207980), (1244, 103990), (1555, 83192), (2488, 51995), (3110, 41596), (6220, 20798), (10399, 12440)]