66040760

素因数分解:

$2^3\times 5^1\times {\mathrm{1651019}}^1$

素因数の和:1651030

約数の個数: 16

約数和(自身を含む): 148591800

約数和(自身を除く): 82551040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1651019, 3302038, 6604076, 8255095, 13208152, 16510190, 33020380, 66040760]

約数ペア:

[(1, 66040760), (2, 33020380), (4, 16510190), (5, 13208152), (8, 8255095), (10, 6604076), (20, 3302038), (40, 1651019)]