51492220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198047}}^1$

素因数の和:198069

約数の個数: 24

約数和(自身を含む): 116452224

約数和(自身を除く): 64960004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198047, 396094, 792188, 990235, 1980470, 2574611, 3960940, 5149222, 10298444, 12873055, 25746110, 51492220]

約数ペア:

[(1, 51492220), (2, 25746110), (4, 12873055), (5, 10298444), (10, 5149222), (13, 3960940), (20, 2574611), (26, 1980470), (52, 990235), (65, 792188), (130, 396094), (260, 198047)]