128085880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246319}}^1$

素因数の和:246343

約数の個数: 32

約数和(自身を含む): 310363200

約数和(自身を除く): 182277320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 246319, 492638, 985276, 1231595, 1970552, 2463190, 3202147, 4926380, 6404294, 9852760, 12808588, 16010735, 25617176, 32021470, 64042940, 128085880]

約数ペア:

[(1, 128085880), (2, 64042940), (4, 32021470), (5, 25617176), (8, 16010735), (10, 12808588), (13, 9852760), (20, 6404294), (26, 4926380), (40, 3202147), (52, 2463190), (65, 1970552), (104, 1231595), (130, 985276), (260, 492638), (520, 246319)]