11972180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54419}}^1$

素因数の和:54439

約数の個数: 24

約数和(自身を含む): 27427680

約数和(自身を除く): 15455500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54419, 108838, 217676, 272095, 544190, 598609, 1088380, 1197218, 2394436, 2993045, 5986090, 11972180]

約数ペア:

[(1, 11972180), (2, 5986090), (4, 2993045), (5, 2394436), (10, 1197218), (11, 1088380), (20, 598609), (22, 544190), (44, 272095), (55, 217676), (110, 108838), (220, 54419)]