13247800

素因数分解:

$2^3\times 5^2\times {\mathrm{66239}}^1$

素因数の和:66255

約数の個数: 24

約数和(自身を含む): 30801600

約数和(自身を除く): 17553800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 66239, 132478, 264956, 331195, 529912, 662390, 1324780, 1655975, 2649560, 3311950, 6623900, 13247800]

約数ペア:

[(1, 13247800), (2, 6623900), (4, 3311950), (5, 2649560), (8, 1655975), (10, 1324780), (20, 662390), (25, 529912), (40, 331195), (50, 264956), (100, 132478), (200, 66239)]