55444220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213247}}^1$

素因数の和:213269

約数の個数: 24

約数和(自身を含む): 125389824

約数和(自身を除く): 69945604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 213247, 426494, 852988, 1066235, 2132470, 2772211, 4264940, 5544422, 11088844, 13861055, 27722110, 55444220]

約数ペア:

[(1, 55444220), (2, 27722110), (4, 13861055), (5, 11088844), (10, 5544422), (13, 4264940), (20, 2772211), (26, 2132470), (52, 1066235), (65, 852988), (130, 426494), (260, 213247)]