78026680

素因数分解:

$2^3\times 5^1\times {\mathrm{1950667}}^1$

素因数の和:1950678

約数の個数: 16

約数和(自身を含む): 175560120

約数和(自身を除く): 97533440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950667, 3901334, 7802668, 9753335, 15605336, 19506670, 39013340, 78026680]

約数ペア:

[(1, 78026680), (2, 39013340), (4, 19506670), (5, 15605336), (8, 9753335), (10, 7802668), (20, 3901334), (40, 1950667)]