78132280

素因数分解:

$2^3\times 5^1\times {\mathrm{1953307}}^1$

素因数の和:1953318

約数の個数: 16

約数和(自身を含む): 175797720

約数和(自身を除く): 97665440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1953307, 3906614, 7813228, 9766535, 15626456, 19533070, 39066140, 78132280]

約数ペア:

[(1, 78132280), (2, 39066140), (4, 19533070), (5, 15626456), (8, 9766535), (10, 7813228), (20, 3906614), (40, 1953307)]