79812850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{122789}}^1$

素因数の和:122814

約数の個数: 24

約数和(自身を含む): 159872580

約数和(自身を除く): 80059730

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 122789, 245578, 613945, 1227890, 1596257, 3069725, 3192514, 6139450, 7981285, 15962570, 39906425, 79812850]

約数ペア:

[(1, 79812850), (2, 39906425), (5, 15962570), (10, 7981285), (13, 6139450), (25, 3192514), (26, 3069725), (50, 1596257), (65, 1227890), (130, 613945), (325, 245578), (650, 122789)]