78608120

素因数分解:

$2^3\times 5^1\times {\mathrm{1965203}}^1$

素因数の和:1965214

約数の個数: 16

約数和(自身を含む): 176868360

約数和(自身を除く): 98260240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1965203, 3930406, 7860812, 9826015, 15721624, 19652030, 39304060, 78608120]

約数ペア:

[(1, 78608120), (2, 39304060), (4, 19652030), (5, 15721624), (8, 9826015), (10, 7860812), (20, 3930406), (40, 1965203)]