78773780

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2377}}^1$

素因数の和:4043

約数の個数: 24

約数和(自身を含む): 165594408

約数和(自身を除く): 86820628

約数列:

[1, 2, 4, 5, 10, 20, 1657, 2377, 3314, 4754, 6628, 8285, 9508, 11885, 16570, 23770, 33140, 47540, 3938689, 7877378, 15754756, 19693445, 39386890, 78773780]

約数ペア:

[(1, 78773780), (2, 39386890), (4, 19693445), (5, 15754756), (10, 7877378), (20, 3938689), (1657, 47540), (2377, 33140), (3314, 23770), (4754, 16570), (6628, 11885), (8285, 9508)]