81900940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372277}}^1$

素因数の和:372297

約数の個数: 24

約数和(自身を含む): 187628112

約数和(自身を除く): 105727172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 372277, 744554, 1489108, 1861385, 3722770, 4095047, 7445540, 8190094, 16380188, 20475235, 40950470, 81900940]

約数ペア:

[(1, 81900940), (2, 40950470), (4, 20475235), (5, 16380188), (10, 8190094), (11, 7445540), (20, 4095047), (22, 3722770), (44, 1861385), (55, 1489108), (110, 744554), (220, 372277)]