78002440

素因数分解:

$2^3\times 5^1\times {\mathrm{1950061}}^1$

素因数の和:1950072

約数の個数: 16

約数和(自身を含む): 175505580

約数和(自身を除く): 97503140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950061, 3900122, 7800244, 9750305, 15600488, 19500610, 39001220, 78002440]

約数ペア:

[(1, 78002440), (2, 39001220), (4, 19500610), (5, 15600488), (8, 9750305), (10, 7800244), (20, 3900122), (40, 1950061)]