66985880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128819}}^1$

素因数の和:128843

約数の個数: 32

約数和(自身を含む): 162313200

約数和(自身を除く): 95327320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 128819, 257638, 515276, 644095, 1030552, 1288190, 1674647, 2576380, 3349294, 5152760, 6698588, 8373235, 13397176, 16746470, 33492940, 66985880]

約数ペア:

[(1, 66985880), (2, 33492940), (4, 16746470), (5, 13397176), (8, 8373235), (10, 6698588), (13, 5152760), (20, 3349294), (26, 2576380), (40, 1674647), (52, 1288190), (65, 1030552), (104, 644095), (130, 515276), (260, 257638), (520, 128819)]