8672180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39419}}^1$

素因数の和:39439

約数の個数: 24

約数和(自身を含む): 19867680

約数和(自身を除く): 11195500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 39419, 78838, 157676, 197095, 394190, 433609, 788380, 867218, 1734436, 2168045, 4336090, 8672180]

約数ペア:

[(1, 8672180), (2, 4336090), (4, 2168045), (5, 1734436), (10, 867218), (11, 788380), (20, 433609), (22, 394190), (44, 197095), (55, 157676), (110, 78838), (220, 39419)]