27406780

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1657}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 57658608

約数和(自身を除く): 30251828

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 1657, 3308, 3314, 4135, 6628, 8270, 8285, 16540, 16570, 33140, 1370339, 2740678, 5481356, 6851695, 13703390, 27406780]

約数ペア:

[(1, 27406780), (2, 13703390), (4, 6851695), (5, 5481356), (10, 2740678), (20, 1370339), (827, 33140), (1654, 16570), (1657, 16540), (3308, 8285), (3314, 8270), (4135, 6628)]