78713420

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{5297}}^1$

素因数の和:6049

約数の個数: 24

約数和(自身を含む): 165551904

約数和(自身を除く): 86838484

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 5297, 7430, 10594, 14860, 21188, 26485, 52970, 105940, 3935671, 7871342, 15742684, 19678355, 39356710, 78713420]

約数ペア:

[(1, 78713420), (2, 39356710), (4, 19678355), (5, 15742684), (10, 7871342), (20, 3935671), (743, 105940), (1486, 52970), (2972, 26485), (3715, 21188), (5297, 14860), (7430, 10594)]