12719800

素因数分解:

$2^3\times 5^2\times {\mathrm{63599}}^1$

素因数の和:63615

約数の個数: 24

約数和(自身を含む): 29574000

約数和(自身を除く): 16854200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 63599, 127198, 254396, 317995, 508792, 635990, 1271980, 1589975, 2543960, 3179950, 6359900, 12719800]

約数ペア:

[(1, 12719800), (2, 6359900), (4, 3179950), (5, 2543960), (8, 1589975), (10, 1271980), (20, 635990), (25, 508792), (40, 317995), (50, 254396), (100, 127198), (200, 63599)]